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Finding the Fourth Proportional to 560,354.62, 773,285.73 and 318,637.18

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Solution

The fourth proportional to 560,354.62, 773,285.73 and 318,637.18 is: 439,717.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,354.62 : 773,285.73 = 318,637.18 : x
  2. Step 2: Convert to fraction form
    560,354.62/773,285.73 = 318,637.18/x
  3. Step 3: Cross multiply
    560,354.62x = 773,285.73 × 318,637.18
  4. Step 4: Simplify right side
    560,354.62x = 246,397,584,341.44
  5. Step 5: Solve for x
    x = 246,397,584,341.44/560,354.62
  6. Step 6: Final answer
    x = 439,717.24

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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.