Home / 753,320.52-1,039,600.26-413,795.88

Finding the Fourth Proportional to 753,320.52, 1,039,600.26 and 413,795.88

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Solution

The fourth proportional to 753,320.52, 1,039,600.26 and 413,795.88 is: 571,048.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,320.52 : 1,039,600.26 = 413,795.88 : x
  2. Step 2: Convert to fraction form
    753,320.52/1,039,600.26 = 413,795.88/x
  3. Step 3: Cross multiply
    753,320.52x = 1,039,600.26 × 413,795.88
  4. Step 4: Simplify right side
    753,320.52x = 430,182,304,434.93
  5. Step 5: Solve for x
    x = 430,182,304,434.93/753,320.52
  6. Step 6: Final answer
    x = 571,048.17

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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.