Home / 432,433.87-648,653.10-283,616.55

Finding the Fourth Proportional to 432,433.87, 648,653.10 and 283,616.55

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Solution

The fourth proportional to 432,433.87, 648,653.10 and 283,616.55 is: 425,426.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,433.87 : 648,653.10 = 283,616.55 : x
  2. Step 2: Convert to fraction form
    432,433.87/648,653.10 = 283,616.55/x
  3. Step 3: Cross multiply
    432,433.87x = 648,653.10 × 283,616.55
  4. Step 4: Simplify right side
    432,433.87x = 183,968,753,305.24
  5. Step 5: Solve for x
    x = 183,968,753,305.24/432,433.87
  6. Step 6: Final answer
    x = 425,426.33

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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.