Home / 515,292.20-772,938.30-496,629.80

Finding the Fourth Proportional to 515,292.20, 772,938.30 and 496,629.80

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Solution

The fourth proportional to 515,292.20, 772,938.30 and 496,629.80 is: 744,944.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,292.20 : 772,938.30 = 496,629.80 : x
  2. Step 2: Convert to fraction form
    515,292.20/772,938.30 = 496,629.80/x
  3. Step 3: Cross multiply
    515,292.20x = 772,938.30 × 496,629.80
  4. Step 4: Simplify right side
    515,292.20x = 383,864,193,341.34
  5. Step 5: Solve for x
    x = 383,864,193,341.34/515,292.20
  6. Step 6: Final answer
    x = 744,944.70

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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.