Home / 824,132.31-1,137,172.68-480,024.87

Finding the Fourth Proportional to 824,132.31, 1,137,172.68 and 480,024.87

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Solution

The fourth proportional to 824,132.31, 1,137,172.68 and 480,024.87 is: 662,358.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,132.31 : 1,137,172.68 = 480,024.87 : x
  2. Step 2: Convert to fraction form
    824,132.31/1,137,172.68 = 480,024.87/x
  3. Step 3: Cross multiply
    824,132.31x = 1,137,172.68 × 480,024.87
  4. Step 4: Simplify right side
    824,132.31x = 545,871,167,884.55
  5. Step 5: Solve for x
    x = 545,871,167,884.55/824,132.31
  6. Step 6: Final answer
    x = 662,358.65

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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.