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Finding the Fourth Proportional to 440,768.50, 608,510.32 and 337,207.86

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Solution

The fourth proportional to 440,768.50, 608,510.32 and 337,207.86 is: 465,537.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,768.50 : 608,510.32 = 337,207.86 : x
  2. Step 2: Convert to fraction form
    440,768.50/608,510.32 = 337,207.86/x
  3. Step 3: Cross multiply
    440,768.50x = 608,510.32 × 337,207.86
  4. Step 4: Simplify right side
    440,768.50x = 205,194,462,795.12
  5. Step 5: Solve for x
    x = 205,194,462,795.12/440,768.50
  6. Step 6: Final answer
    x = 465,537.95

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1.5x scale

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.