Home / 692,638.11-1,039,061.03-243,279.75

Finding the Fourth Proportional to 692,638.11, 1,039,061.03 and 243,279.75

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Solution

The fourth proportional to 692,638.11, 1,039,061.03 and 243,279.75 is: 364,956.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,638.11 : 1,039,061.03 = 243,279.75 : x
  2. Step 2: Convert to fraction form
    692,638.11/1,039,061.03 = 243,279.75/x
  3. Step 3: Cross multiply
    692,638.11x = 1,039,061.03 × 243,279.75
  4. Step 4: Simplify right side
    692,638.11x = 252,782,506,396.74
  5. Step 5: Solve for x
    x = 252,782,506,396.74/692,638.11
  6. Step 6: Final answer
    x = 364,956.10

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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.