Home / 699,802.42-966,192.16-538,372.66

Finding the Fourth Proportional to 699,802.42, 966,192.16 and 538,372.66

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Solution

The fourth proportional to 699,802.42, 966,192.16 and 538,372.66 is: 743,311.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,802.42 : 966,192.16 = 538,372.66 : x
  2. Step 2: Convert to fraction form
    699,802.42/966,192.16 = 538,372.66/x
  3. Step 3: Cross multiply
    699,802.42x = 966,192.16 × 538,372.66
  4. Step 4: Simplify right side
    699,802.42x = 520,171,443,250.35
  5. Step 5: Solve for x
    x = 520,171,443,250.35/699,802.42
  6. Step 6: Final answer
    x = 743,311.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.