Home / 510,960.93-705,092.33-306,890.59

Finding the Fourth Proportional to 510,960.93, 705,092.33 and 306,890.59

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Solution

The fourth proportional to 510,960.93, 705,092.33 and 306,890.59 is: 423,488.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,960.93 : 705,092.33 = 306,890.59 : x
  2. Step 2: Convert to fraction form
    510,960.93/705,092.33 = 306,890.59/x
  3. Step 3: Cross multiply
    510,960.93x = 705,092.33 × 306,890.59
  4. Step 4: Simplify right side
    510,960.93x = 216,386,196,098.26
  5. Step 5: Solve for x
    x = 216,386,196,098.26/510,960.93
  6. Step 6: Final answer
    x = 423,488.73

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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.