Home / 947,280.52-1,307,231.67-517,551.40

Finding the Fourth Proportional to 947,280.52, 1,307,231.67 and 517,551.40

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Solution

The fourth proportional to 947,280.52, 1,307,231.67 and 517,551.40 is: 714,212.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,280.52 : 1,307,231.67 = 517,551.40 : x
  2. Step 2: Convert to fraction form
    947,280.52/1,307,231.67 = 517,551.40/x
  3. Step 3: Cross multiply
    947,280.52x = 1,307,231.67 × 517,551.40
  4. Step 4: Simplify right side
    947,280.52x = 676,559,580,932.84
  5. Step 5: Solve for x
    x = 676,559,580,932.84/947,280.52
  6. Step 6: Final answer
    x = 714,212.49

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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.