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Finding the Fourth Proportional to 608,686.29, 840,002.68 and 366,984.36

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Solution

The fourth proportional to 608,686.29, 840,002.68 and 366,984.36 is: 506,447.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,686.29 : 840,002.68 = 366,984.36 : x
  2. Step 2: Convert to fraction form
    608,686.29/840,002.68 = 366,984.36/x
  3. Step 3: Cross multiply
    608,686.29x = 840,002.68 × 366,984.36
  4. Step 4: Simplify right side
    608,686.29x = 308,267,845,000.62
  5. Step 5: Solve for x
    x = 308,267,845,000.62/608,686.29
  6. Step 6: Final answer
    x = 506,447.82

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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.