Home / 410,942.28-615,416.95-284,226.90

Finding the Fourth Proportional to 410,942.28, 615,416.95 and 284,226.90

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Solution

The fourth proportional to 410,942.28, 615,416.95 and 284,226.90 is: 425,651.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,942.28 : 615,416.95 = 284,226.90 : x
  2. Step 2: Convert to fraction form
    410,942.28/615,416.95 = 284,226.90/x
  3. Step 3: Cross multiply
    410,942.28x = 615,416.95 × 284,226.90
  4. Step 4: Simplify right side
    410,942.28x = 174,918,051,905.96
  5. Step 5: Solve for x
    x = 174,918,051,905.96/410,942.28
  6. Step 6: Final answer
    x = 425,651.14

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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.