Home / 913,660.60-1,370,490.90-248,812.60

Finding the Fourth Proportional to 913,660.60, 1,370,490.90 and 248,812.60

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Solution

The fourth proportional to 913,660.60, 1,370,490.90 and 248,812.60 is: 373,218.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,660.60 : 1,370,490.90 = 248,812.60 : x
  2. Step 2: Convert to fraction form
    913,660.60/1,370,490.90 = 248,812.60/x
  3. Step 3: Cross multiply
    913,660.60x = 1,370,490.90 × 248,812.60
  4. Step 4: Simplify right side
    913,660.60x = 340,995,404,105.34
  5. Step 5: Solve for x
    x = 340,995,404,105.34/913,660.60
  6. Step 6: Final answer
    x = 373,218.90

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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.