Home / 875,428.83-1,208,184.80-513,157.17

Finding the Fourth Proportional to 875,428.83, 1,208,184.80 and 513,157.17

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Solution

The fourth proportional to 875,428.83, 1,208,184.80 and 513,157.17 is: 708,211.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,428.83 : 1,208,184.80 = 513,157.17 : x
  2. Step 2: Convert to fraction form
    875,428.83/1,208,184.80 = 513,157.17/x
  3. Step 3: Cross multiply
    875,428.83x = 1,208,184.80 × 513,157.17
  4. Step 4: Simplify right side
    875,428.83x = 619,988,690,239.23
  5. Step 5: Solve for x
    x = 619,988,690,239.23/875,428.83
  6. Step 6: Final answer
    x = 708,211.41

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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.