Home / 934,876.74-1,401,816.18-485,144.78

Finding the Fourth Proportional to 934,876.74, 1,401,816.18 and 485,144.78

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Solution

The fourth proportional to 934,876.74, 1,401,816.18 and 485,144.78 is: 727,458.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,876.74 : 1,401,816.18 = 485,144.78 : x
  2. Step 2: Convert to fraction form
    934,876.74/1,401,816.18 = 485,144.78/x
  3. Step 3: Cross multiply
    934,876.74x = 1,401,816.18 × 485,144.78
  4. Step 4: Simplify right side
    934,876.74x = 680,083,802,246.54
  5. Step 5: Solve for x
    x = 680,083,802,246.54/934,876.74
  6. Step 6: Final answer
    x = 727,458.26

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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.