Home / 777,520.60-1,072,989.15-433,346.92

Finding the Fourth Proportional to 777,520.60, 1,072,989.15 and 433,346.92

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Solution

The fourth proportional to 777,520.60, 1,072,989.15 and 433,346.92 is: 598,024.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,520.60 : 1,072,989.15 = 433,346.92 : x
  2. Step 2: Convert to fraction form
    777,520.60/1,072,989.15 = 433,346.92/x
  3. Step 3: Cross multiply
    777,520.60x = 1,072,989.15 × 433,346.92
  4. Step 4: Simplify right side
    777,520.60x = 464,976,543,345.92
  5. Step 5: Solve for x
    x = 464,976,543,345.92/777,520.60
  6. Step 6: Final answer
    x = 598,024.73

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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.