Home / 762,302.69-1,052,168.88-517,701.32

Finding the Fourth Proportional to 762,302.69, 1,052,168.88 and 517,701.32

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Solution

The fourth proportional to 762,302.69, 1,052,168.88 and 517,701.32 is: 714,557.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,302.69 : 1,052,168.88 = 517,701.32 : x
  2. Step 2: Convert to fraction form
    762,302.69/1,052,168.88 = 517,701.32/x
  3. Step 3: Cross multiply
    762,302.69x = 1,052,168.88 × 517,701.32
  4. Step 4: Simplify right side
    762,302.69x = 544,709,218,038.92
  5. Step 5: Solve for x
    x = 544,709,218,038.92/762,302.69
  6. Step 6: Final answer
    x = 714,557.65

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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.