Home / 856,947.79-1,182,625.28-474,974.88

Finding the Fourth Proportional to 856,947.79, 1,182,625.28 and 474,974.88

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Solution

The fourth proportional to 856,947.79, 1,182,625.28 and 474,974.88 is: 655,486.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,947.79 : 1,182,625.28 = 474,974.88 : x
  2. Step 2: Convert to fraction form
    856,947.79/1,182,625.28 = 474,974.88/x
  3. Step 3: Cross multiply
    856,947.79x = 1,182,625.28 × 474,974.88
  4. Step 4: Simplify right side
    856,947.79x = 561,717,300,452.97
  5. Step 5: Solve for x
    x = 561,717,300,452.97/856,947.79
  6. Step 6: Final answer
    x = 655,486.02

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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.