Home / 778,468.52-1,074,103.49-472,537.28

Finding the Fourth Proportional to 778,468.52, 1,074,103.49 and 472,537.28

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Solution

The fourth proportional to 778,468.52, 1,074,103.49 and 472,537.28 is: 651,990.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,468.52 : 1,074,103.49 = 472,537.28 : x
  2. Step 2: Convert to fraction form
    778,468.52/1,074,103.49 = 472,537.28/x
  3. Step 3: Cross multiply
    778,468.52x = 1,074,103.49 × 472,537.28
  4. Step 4: Simplify right side
    778,468.52x = 507,553,945,469.71
  5. Step 5: Solve for x
    x = 507,553,945,469.71/778,468.52
  6. Step 6: Final answer
    x = 651,990.33

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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.