Home / 908,344.42-1,253,509.29-500,436.72

Finding the Fourth Proportional to 908,344.42, 1,253,509.29 and 500,436.72

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Solution

The fourth proportional to 908,344.42, 1,253,509.29 and 500,436.72 is: 690,599.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,344.42 : 1,253,509.29 = 500,436.72 : x
  2. Step 2: Convert to fraction form
    908,344.42/1,253,509.29 = 500,436.72/x
  3. Step 3: Cross multiply
    908,344.42x = 1,253,509.29 × 500,436.72
  4. Step 4: Simplify right side
    908,344.42x = 627,302,077,577.13
  5. Step 5: Solve for x
    x = 627,302,077,577.13/908,344.42
  6. Step 6: Final answer
    x = 690,599.36

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Double scale
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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.