Home / 771,047.46-1,156,695.12-265,484.14

Finding the Fourth Proportional to 771,047.46, 1,156,695.12 and 265,484.14

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Solution

The fourth proportional to 771,047.46, 1,156,695.12 and 265,484.14 is: 398,268.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,047.46 : 1,156,695.12 = 265,484.14 : x
  2. Step 2: Convert to fraction form
    771,047.46/1,156,695.12 = 265,484.14/x
  3. Step 3: Cross multiply
    771,047.46x = 1,156,695.12 × 265,484.14
  4. Step 4: Simplify right side
    771,047.46x = 307,084,206,283.66
  5. Step 5: Solve for x
    x = 307,084,206,283.66/771,047.46
  6. Step 6: Final answer
    x = 398,268.88

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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.