Home / 791,251.20-1,091,925.12-428,684.10

Finding the Fourth Proportional to 791,251.20, 1,091,925.12 and 428,684.10

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Solution

The fourth proportional to 791,251.20, 1,091,925.12 and 428,684.10 is: 591,583.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,251.20 : 1,091,925.12 = 428,684.10 : x
  2. Step 2: Convert to fraction form
    791,251.20/1,091,925.12 = 428,684.10/x
  3. Step 3: Cross multiply
    791,251.20x = 1,091,925.12 × 428,684.10
  4. Step 4: Simplify right side
    791,251.20x = 468,090,937,334.59
  5. Step 5: Solve for x
    x = 468,090,937,334.59/791,251.20
  6. Step 6: Final answer
    x = 591,583.23

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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.