Home / 442,758.09-663,280.99-370,826.72

Finding the Fourth Proportional to 442,758.09, 663,280.99 and 370,826.72

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Solution

The fourth proportional to 442,758.09, 663,280.99 and 370,826.72 is: 555,523.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,758.09 : 663,280.99 = 370,826.72 : x
  2. Step 2: Convert to fraction form
    442,758.09/663,280.99 = 370,826.72/x
  3. Step 3: Cross multiply
    442,758.09x = 663,280.99 × 370,826.72
  4. Step 4: Simplify right side
    442,758.09x = 245,962,316,799.72
  5. Step 5: Solve for x
    x = 245,962,316,799.72/442,758.09
  6. Step 6: Final answer
    x = 555,523.03

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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.