Home / 856,738.95-1,182,306.81-474,772.11

Finding the Fourth Proportional to 856,738.95, 1,182,306.81 and 474,772.11

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Solution

The fourth proportional to 856,738.95, 1,182,306.81 and 474,772.11 is: 655,189.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,738.95 : 1,182,306.81 = 474,772.11 : x
  2. Step 2: Convert to fraction form
    856,738.95/1,182,306.81 = 474,772.11/x
  3. Step 3: Cross multiply
    856,738.95x = 1,182,306.81 × 474,772.11
  4. Step 4: Simplify right side
    856,738.95x = 561,326,298,851.07
  5. Step 5: Solve for x
    x = 561,326,298,851.07/856,738.95
  6. Step 6: Final answer
    x = 655,189.42

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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.