Home / 947,286.52-1,307,240.12-517,557.42

Finding the Fourth Proportional to 947,286.52, 1,307,240.12 and 517,557.42

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Solution

The fourth proportional to 947,286.52, 1,307,240.12 and 517,557.42 is: 714,220.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,286.52 : 1,307,240.12 = 517,557.42 : x
  2. Step 2: Convert to fraction form
    947,286.52/1,307,240.12 = 517,557.42/x
  3. Step 3: Cross multiply
    947,286.52x = 1,307,240.12 × 517,557.42
  4. Step 4: Simplify right side
    947,286.52x = 676,571,823,827.69
  5. Step 5: Solve for x
    x = 676,571,823,827.69/947,286.52
  6. Step 6: Final answer
    x = 714,220.89

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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.