Home / 858,897.66-1,288,338.24-522,031.26

Finding the Fourth Proportional to 858,897.66, 1,288,338.24 and 522,031.26

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Solution

The fourth proportional to 858,897.66, 1,288,338.24 and 522,031.26 is: 783,041.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,897.66 : 1,288,338.24 = 522,031.26 : x
  2. Step 2: Convert to fraction form
    858,897.66/1,288,338.24 = 522,031.26/x
  3. Step 3: Cross multiply
    858,897.66x = 1,288,338.24 × 522,031.26
  4. Step 4: Simplify right side
    858,897.66x = 672,552,834,733.38
  5. Step 5: Solve for x
    x = 672,552,834,733.38/858,897.66
  6. Step 6: Final answer
    x = 783,041.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.