Home / 771,057.32-1,156,644.30-238,632.20

Finding the Fourth Proportional to 771,057.32, 1,156,644.30 and 238,632.20

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Solution

The fourth proportional to 771,057.32, 1,156,644.30 and 238,632.20 is: 357,966.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,057.32 : 1,156,644.30 = 238,632.20 : x
  2. Step 2: Convert to fraction form
    771,057.32/1,156,644.30 = 238,632.20/x
  3. Step 3: Cross multiply
    771,057.32x = 1,156,644.30 × 238,632.20
  4. Step 4: Simplify right side
    771,057.32x = 276,012,573,926.46
  5. Step 5: Solve for x
    x = 276,012,573,926.46/771,057.32
  6. Step 6: Final answer
    x = 357,966.35

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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.