Home / 908,569.74-1,253,809.02-500,709.29

Finding the Fourth Proportional to 908,569.74, 1,253,809.02 and 500,709.29

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Solution

The fourth proportional to 908,569.74, 1,253,809.02 and 500,709.29 is: 690,969.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,569.74 : 1,253,809.02 = 500,709.29 : x
  2. Step 2: Convert to fraction form
    908,569.74/1,253,809.02 = 500,709.29/x
  3. Step 3: Cross multiply
    908,569.74x = 1,253,809.02 × 500,709.29
  4. Step 4: Simplify right side
    908,569.74x = 627,793,817,930.75
  5. Step 5: Solve for x
    x = 627,793,817,930.75/908,569.74
  6. Step 6: Final answer
    x = 690,969.32

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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.