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Finding the Fourth Proportional to 516,230.72, 774,484.16 and 466,879.04

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Solution

The fourth proportional to 516,230.72, 774,484.16 and 466,879.04 is: 700,443.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,230.72 : 774,484.16 = 466,879.04 : x
  2. Step 2: Convert to fraction form
    516,230.72/774,484.16 = 466,879.04/x
  3. Step 3: Cross multiply
    516,230.72x = 774,484.16 × 466,879.04
  4. Step 4: Simplify right side
    516,230.72x = 361,590,421,116.01
  5. Step 5: Solve for x
    x = 361,590,421,116.01/516,230.72
  6. Step 6: Final answer
    x = 700,443.44

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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.