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Finding the Fourth Proportional to 648,267.98, 894,699.98 and 361,806.52

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Solution

The fourth proportional to 648,267.98, 894,699.98 and 361,806.52 is: 499,343.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,267.98 : 894,699.98 = 361,806.52 : x
  2. Step 2: Convert to fraction form
    648,267.98/894,699.98 = 361,806.52/x
  3. Step 3: Cross multiply
    648,267.98x = 894,699.98 × 361,806.52
  4. Step 4: Simplify right side
    648,267.98x = 323,708,286,207.87
  5. Step 5: Solve for x
    x = 323,708,286,207.87/648,267.98
  6. Step 6: Final answer
    x = 499,343.32

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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.