Home / 497,719.40-746,579.10-310,836.20

Finding the Fourth Proportional to 497,719.40, 746,579.10 and 310,836.20

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Solution

The fourth proportional to 497,719.40, 746,579.10 and 310,836.20 is: 466,254.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,719.40 : 746,579.10 = 310,836.20 : x
  2. Step 2: Convert to fraction form
    497,719.40/746,579.10 = 310,836.20/x
  3. Step 3: Cross multiply
    497,719.40x = 746,579.10 × 310,836.20
  4. Step 4: Simplify right side
    497,719.40x = 232,063,810,443.42
  5. Step 5: Solve for x
    x = 232,063,810,443.42/497,719.40
  6. Step 6: Final answer
    x = 466,254.30

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Similar ratio
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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.