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Finding the Fourth Proportional to 648,360.42, 894,700.98 and 361,898.97

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Solution

The fourth proportional to 648,360.42, 894,700.98 and 361,898.97 is: 499,400.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,360.42 : 894,700.98 = 361,898.97 : x
  2. Step 2: Convert to fraction form
    648,360.42/894,700.98 = 361,898.97/x
  3. Step 3: Cross multiply
    648,360.42x = 894,700.98 × 361,898.97
  4. Step 4: Simplify right side
    648,360.42x = 323,791,363,119.99
  5. Step 5: Solve for x
    x = 323,791,363,119.99/648,360.42
  6. Step 6: Final answer
    x = 499,400.26

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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.