Home / 914,285.80-1,371,428.70-249,437.80

Finding the Fourth Proportional to 914,285.80, 1,371,428.70 and 249,437.80

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Solution

The fourth proportional to 914,285.80, 1,371,428.70 and 249,437.80 is: 374,156.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,285.80 : 1,371,428.70 = 249,437.80 : x
  2. Step 2: Convert to fraction form
    914,285.80/1,371,428.70 = 249,437.80/x
  3. Step 3: Cross multiply
    914,285.80x = 1,371,428.70 × 249,437.80
  4. Step 4: Simplify right side
    914,285.80x = 342,086,157,784.86
  5. Step 5: Solve for x
    x = 342,086,157,784.86/914,285.80
  6. Step 6: Final answer
    x = 374,156.70

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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.