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Finding the Fourth Proportional to 577,515.70, 864,633.30 and 546,095.80

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Solution

The fourth proportional to 577,515.70, 864,633.30 and 546,095.80 is: 817,592.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,515.70 : 864,633.30 = 546,095.80 : x
  2. Step 2: Convert to fraction form
    577,515.70/864,633.30 = 546,095.80/x
  3. Step 3: Cross multiply
    577,515.70x = 864,633.30 × 546,095.80
  4. Step 4: Simplify right side
    577,515.70x = 472,172,613,670.14
  5. Step 5: Solve for x
    x = 472,172,613,670.14/577,515.70
  6. Step 6: Final answer
    x = 817,592.69

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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.