Home / 913,900.20-1,370,850.30-249,052.20

Finding the Fourth Proportional to 913,900.20, 1,370,850.30 and 249,052.20

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Solution

The fourth proportional to 913,900.20, 1,370,850.30 and 249,052.20 is: 373,578.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,900.20 : 1,370,850.30 = 249,052.20 : x
  2. Step 2: Convert to fraction form
    913,900.20/1,370,850.30 = 249,052.20/x
  3. Step 3: Cross multiply
    913,900.20x = 1,370,850.30 × 249,052.20
  4. Step 4: Simplify right side
    913,900.20x = 341,413,283,085.66
  5. Step 5: Solve for x
    x = 341,413,283,085.66/913,900.20
  6. Step 6: Final answer
    x = 373,578.30

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.