Home / 648,188.20-972,282.30-608,789.80

Finding the Fourth Proportional to 648,188.20, 972,282.30 and 608,789.80

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Solution

The fourth proportional to 648,188.20, 972,282.30 and 608,789.80 is: 913,184.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,188.20 : 972,282.30 = 608,789.80 : x
  2. Step 2: Convert to fraction form
    648,188.20/972,282.30 = 608,789.80/x
  3. Step 3: Cross multiply
    648,188.20x = 972,282.30 × 608,789.80
  4. Step 4: Simplify right side
    648,188.20x = 591,915,546,960.54
  5. Step 5: Solve for x
    x = 591,915,546,960.54/648,188.20
  6. Step 6: Final answer
    x = 913,184.70

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1.5x scale

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.