Home / 933,947.60-1,401,358.80-485,175.20

Finding the Fourth Proportional to 933,947.60, 1,401,358.80 and 485,175.20

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Solution

The fourth proportional to 933,947.60, 1,401,358.80 and 485,175.20 is: 727,990.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,947.60 : 1,401,358.80 = 485,175.20 : x
  2. Step 2: Convert to fraction form
    933,947.60/1,401,358.80 = 485,175.20/x
  3. Step 3: Cross multiply
    933,947.60x = 1,401,358.80 × 485,175.20
  4. Step 4: Simplify right side
    933,947.60x = 679,904,536,061.76
  5. Step 5: Solve for x
    x = 679,904,536,061.76/933,947.60
  6. Step 6: Final answer
    x = 727,990.02

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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.