Home / 763,723.40-1,145,585.10-498,002.90

Finding the Fourth Proportional to 763,723.40, 1,145,585.10 and 498,002.90

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Solution

The fourth proportional to 763,723.40, 1,145,585.10 and 498,002.90 is: 747,004.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,723.40 : 1,145,585.10 = 498,002.90 : x
  2. Step 2: Convert to fraction form
    763,723.40/1,145,585.10 = 498,002.90/x
  3. Step 3: Cross multiply
    763,723.40x = 1,145,585.10 × 498,002.90
  4. Step 4: Simplify right side
    763,723.40x = 570,504,701,996.79
  5. Step 5: Solve for x
    x = 570,504,701,996.79/763,723.40
  6. Step 6: Final answer
    x = 747,004.35

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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.