Home / 856,719.14-1,182,242.67-474,781.46

Finding the Fourth Proportional to 856,719.14, 1,182,242.67 and 474,781.46

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Solution

The fourth proportional to 856,719.14, 1,182,242.67 and 474,781.46 is: 655,181.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,719.14 : 1,182,242.67 = 474,781.46 : x
  2. Step 2: Convert to fraction form
    856,719.14/1,182,242.67 = 474,781.46/x
  3. Step 3: Cross multiply
    856,719.14x = 1,182,242.67 × 474,781.46
  4. Step 4: Simplify right side
    856,719.14x = 561,306,900,936.90
  5. Step 5: Solve for x
    x = 561,306,900,936.90/856,719.14
  6. Step 6: Final answer
    x = 655,181.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.