Home / 728,677.41-1,005,550.11-402,003.48

Finding the Fourth Proportional to 728,677.41, 1,005,550.11 and 402,003.48

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Solution

The fourth proportional to 728,677.41, 1,005,550.11 and 402,003.48 is: 554,751.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,677.41 : 1,005,550.11 = 402,003.48 : x
  2. Step 2: Convert to fraction form
    728,677.41/1,005,550.11 = 402,003.48/x
  3. Step 3: Cross multiply
    728,677.41x = 1,005,550.11 × 402,003.48
  4. Step 4: Simplify right side
    728,677.41x = 404,234,643,534.38
  5. Step 5: Solve for x
    x = 404,234,643,534.38/728,677.41
  6. Step 6: Final answer
    x = 554,751.17

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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.