Home / 755,133.42-1,042,084.10-415,601.66

Finding the Fourth Proportional to 755,133.42, 1,042,084.10 and 415,601.66

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Solution

The fourth proportional to 755,133.42, 1,042,084.10 and 415,601.66 is: 573,530.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,133.42 : 1,042,084.10 = 415,601.66 : x
  2. Step 2: Convert to fraction form
    755,133.42/1,042,084.10 = 415,601.66/x
  3. Step 3: Cross multiply
    755,133.42x = 1,042,084.10 × 415,601.66
  4. Step 4: Simplify right side
    755,133.42x = 433,091,881,819.61
  5. Step 5: Solve for x
    x = 433,091,881,819.61/755,133.42
  6. Step 6: Final answer
    x = 573,530.28

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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.