Home / 659,030.60-987,768.30-492,624.20

Finding the Fourth Proportional to 659,030.60, 987,768.30 and 492,624.20

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Solution

The fourth proportional to 659,030.60, 987,768.30 and 492,624.20 is: 738,355.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,030.60 : 987,768.30 = 492,624.20 : x
  2. Step 2: Convert to fraction form
    659,030.60/987,768.30 = 492,624.20/x
  3. Step 3: Cross multiply
    659,030.60x = 987,768.30 × 492,624.20
  4. Step 4: Simplify right side
    659,030.60x = 486,598,568,572.86
  5. Step 5: Solve for x
    x = 486,598,568,572.86/659,030.60
  6. Step 6: Final answer
    x = 738,355.05

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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.