Home / 771,431.60-1,156,732.68-238,723.76

Finding the Fourth Proportional to 771,431.60, 1,156,732.68 and 238,723.76

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Solution

The fourth proportional to 771,431.60, 1,156,732.68 and 238,723.76 is: 357,957.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,431.60 : 1,156,732.68 = 238,723.76 : x
  2. Step 2: Convert to fraction form
    771,431.60/1,156,732.68 = 238,723.76/x
  3. Step 3: Cross multiply
    771,431.60x = 1,156,732.68 × 238,723.76
  4. Step 4: Simplify right side
    771,431.60x = 276,139,574,684.48
  5. Step 5: Solve for x
    x = 276,139,574,684.48/771,431.60
  6. Step 6: Final answer
    x = 357,957.30

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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.