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Finding the Fourth Proportional to 473,046.40, 709,777.36 and 248,354.64

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Solution

The fourth proportional to 473,046.40, 709,777.36 and 248,354.64 is: 372,641.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,046.40 : 709,777.36 = 248,354.64 : x
  2. Step 2: Convert to fraction form
    473,046.40/709,777.36 = 248,354.64/x
  3. Step 3: Cross multiply
    473,046.40x = 709,777.36 × 248,354.64
  4. Step 4: Simplify right side
    473,046.40x = 176,276,500,722.95
  5. Step 5: Solve for x
    x = 176,276,500,722.95/473,046.40
  6. Step 6: Final answer
    x = 372,641.04

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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.