Home / 787,155.16-1,086,329.06-443,024.04

Finding the Fourth Proportional to 787,155.16, 1,086,329.06 and 443,024.04

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Solution

The fourth proportional to 787,155.16, 1,086,329.06 and 443,024.04 is: 611,404.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,155.16 : 1,086,329.06 = 443,024.04 : x
  2. Step 2: Convert to fraction form
    787,155.16/1,086,329.06 = 443,024.04/x
  3. Step 3: Cross multiply
    787,155.16x = 1,086,329.06 × 443,024.04
  4. Step 4: Simplify right side
    787,155.16x = 481,269,888,930.60
  5. Step 5: Solve for x
    x = 481,269,888,930.60/787,155.16
  6. Step 6: Final answer
    x = 611,404.10

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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.