Home / 775,341.73-1,070,066.98-469,524.47

Finding the Fourth Proportional to 775,341.73, 1,070,066.98 and 469,524.47

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Solution

The fourth proportional to 775,341.73, 1,070,066.98 and 469,524.47 is: 648,001.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,341.73 : 1,070,066.98 = 469,524.47 : x
  2. Step 2: Convert to fraction form
    775,341.73/1,070,066.98 = 469,524.47/x
  3. Step 3: Cross multiply
    775,341.73x = 1,070,066.98 × 469,524.47
  4. Step 4: Simplify right side
    775,341.73x = 502,422,627,822.20
  5. Step 5: Solve for x
    x = 502,422,627,822.20/775,341.73
  6. Step 6: Final answer
    x = 648,001.53

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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.