Home / 428,320.04-591,085.15-237,336.62

Finding the Fourth Proportional to 428,320.04, 591,085.15 and 237,336.62

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Solution

The fourth proportional to 428,320.04, 591,085.15 and 237,336.62 is: 327,526.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,320.04 : 591,085.15 = 237,336.62 : x
  2. Step 2: Convert to fraction form
    428,320.04/591,085.15 = 237,336.62/x
  3. Step 3: Cross multiply
    428,320.04x = 591,085.15 × 237,336.62
  4. Step 4: Simplify right side
    428,320.04x = 140,286,148,084.43
  5. Step 5: Solve for x
    x = 140,286,148,084.43/428,320.04
  6. Step 6: Final answer
    x = 327,526.47

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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.