Home / 840,731.04-1,160,236.84-458,778.78

Finding the Fourth Proportional to 840,731.04, 1,160,236.84 and 458,778.78

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Solution

The fourth proportional to 840,731.04, 1,160,236.84 and 458,778.78 is: 633,130.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,731.04 : 1,160,236.84 = 458,778.78 : x
  2. Step 2: Convert to fraction form
    840,731.04/1,160,236.84 = 458,778.78/x
  3. Step 3: Cross multiply
    840,731.04x = 1,160,236.84 × 458,778.78
  4. Step 4: Simplify right side
    840,731.04x = 532,292,041,966.26
  5. Step 5: Solve for x
    x = 532,292,041,966.26/840,731.04
  6. Step 6: Final answer
    x = 633,130.00

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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.