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Finding the Fourth Proportional to 577,499.70, 864,609.30 and 546,079.80

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Solution

The fourth proportional to 577,499.70, 864,609.30 and 546,079.80 is: 817,568.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,499.70 : 864,609.30 = 546,079.80 : x
  2. Step 2: Convert to fraction form
    577,499.70/864,609.30 = 546,079.80/x
  3. Step 3: Cross multiply
    577,499.70x = 864,609.30 × 546,079.80
  4. Step 4: Simplify right side
    577,499.70x = 472,145,673,622.14
  5. Step 5: Solve for x
    x = 472,145,673,622.14/577,499.70
  6. Step 6: Final answer
    x = 817,568.69

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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.