Home / 445,928.33-615,123.72-284,601.53

Finding the Fourth Proportional to 445,928.33, 615,123.72 and 284,601.53

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Solution

The fourth proportional to 445,928.33, 615,123.72 and 284,601.53 is: 392,585.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,928.33 : 615,123.72 = 284,601.53 : x
  2. Step 2: Convert to fraction form
    445,928.33/615,123.72 = 284,601.53/x
  3. Step 3: Cross multiply
    445,928.33x = 615,123.72 × 284,601.53
  4. Step 4: Simplify right side
    445,928.33x = 175,065,153,389.10
  5. Step 5: Solve for x
    x = 175,065,153,389.10/445,928.33
  6. Step 6: Final answer
    x = 392,585.85

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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.