Home / 691,244.20-1,037,012.10-291,679.30

Finding the Fourth Proportional to 691,244.20, 1,037,012.10 and 291,679.30

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Solution

The fourth proportional to 691,244.20, 1,037,012.10 and 291,679.30 is: 437,580.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,244.20 : 1,037,012.10 = 291,679.30 : x
  2. Step 2: Convert to fraction form
    691,244.20/1,037,012.10 = 291,679.30/x
  3. Step 3: Cross multiply
    691,244.20x = 1,037,012.10 × 291,679.30
  4. Step 4: Simplify right side
    691,244.20x = 302,474,963,419.53
  5. Step 5: Solve for x
    x = 302,474,963,419.53/691,244.20
  6. Step 6: Final answer
    x = 437,580.47

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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.