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Finding the Fourth Proportional to 572,944.68, 855,211.41 and 530,721

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Solution

The fourth proportional to 572,944.68, 855,211.41 and 530,721 is: 792,185.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,944.68 : 855,211.41 = 530,721 : x
  2. Step 2: Convert to fraction form
    572,944.68/855,211.41 = 530,721/x
  3. Step 3: Cross multiply
    572,944.68x = 855,211.41 × 530,721
  4. Step 4: Simplify right side
    572,944.68x = 453,878,654,726.61
  5. Step 5: Solve for x
    x = 453,878,654,726.61/572,944.68
  6. Step 6: Final answer
    x = 792,185.83

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.