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Finding the Fourth Proportional to 493,886.90, 740,830.35 and 473,150.90

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Solution

The fourth proportional to 493,886.90, 740,830.35 and 473,150.90 is: 709,726.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,886.90 : 740,830.35 = 473,150.90 : x
  2. Step 2: Convert to fraction form
    493,886.90/740,830.35 = 473,150.90/x
  3. Step 3: Cross multiply
    493,886.90x = 740,830.35 × 473,150.90
  4. Step 4: Simplify right side
    493,886.90x = 350,524,546,849.82
  5. Step 5: Solve for x
    x = 350,524,546,849.82/493,886.90
  6. Step 6: Final answer
    x = 709,726.35

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Similar ratio
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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.