Home / 383,809.12-574,515.63-282,721.13

Finding the Fourth Proportional to 383,809.12, 574,515.63 and 282,721.13

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Solution

The fourth proportional to 383,809.12, 574,515.63 and 282,721.13 is: 423,199.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,809.12 : 574,515.63 = 282,721.13 : x
  2. Step 2: Convert to fraction form
    383,809.12/574,515.63 = 282,721.13/x
  3. Step 3: Cross multiply
    383,809.12x = 574,515.63 × 282,721.13
  4. Step 4: Simplify right side
    383,809.12x = 162,427,709,552.55
  5. Step 5: Solve for x
    x = 162,427,709,552.55/383,809.12
  6. Step 6: Final answer
    x = 423,199.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.