Home / 908,038.71-1,253,101.90-500,142.02

Finding the Fourth Proportional to 908,038.71, 1,253,101.90 and 500,142.02

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Solution

The fourth proportional to 908,038.71, 1,253,101.90 and 500,142.02 is: 690,200.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,038.71 : 1,253,101.90 = 500,142.02 : x
  2. Step 2: Convert to fraction form
    908,038.71/1,253,101.90 = 500,142.02/x
  3. Step 3: Cross multiply
    908,038.71x = 1,253,101.90 × 500,142.02
  4. Step 4: Simplify right side
    908,038.71x = 626,728,915,531.84
  5. Step 5: Solve for x
    x = 626,728,915,531.84/908,038.71
  6. Step 6: Final answer
    x = 690,200.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.