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Finding the Fourth Proportional to 617,648.80, 926,317.68 and 243,675.04

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Solution

The fourth proportional to 617,648.80, 926,317.68 and 243,675.04 is: 365,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,648.80 : 926,317.68 = 243,675.04 : x
  2. Step 2: Convert to fraction form
    617,648.80/926,317.68 = 243,675.04/x
  3. Step 3: Cross multiply
    617,648.80x = 926,317.68 × 243,675.04
  4. Step 4: Simplify right side
    617,648.80x = 225,720,497,726.71
  5. Step 5: Solve for x
    x = 225,720,497,726.71/617,648.80
  6. Step 6: Final answer
    x = 365,451.20

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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.