Home / 442,039.10-663,063.28-353,853.19

Finding the Fourth Proportional to 442,039.10, 663,063.28 and 353,853.19

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Solution

The fourth proportional to 442,039.10, 663,063.28 and 353,853.19 is: 530,783.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,039.10 : 663,063.28 = 353,853.19 : x
  2. Step 2: Convert to fraction form
    442,039.10/663,063.28 = 353,853.19/x
  3. Step 3: Cross multiply
    442,039.10x = 663,063.28 × 353,853.19
  4. Step 4: Simplify right side
    442,039.10x = 234,627,055,004.75
  5. Step 5: Solve for x
    x = 234,627,055,004.75/442,039.10
  6. Step 6: Final answer
    x = 530,783.49

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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.