Home / 744,885.20-1,117,327.80-686,565.20

Finding the Fourth Proportional to 744,885.20, 1,117,327.80 and 686,565.20

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Solution

The fourth proportional to 744,885.20, 1,117,327.80 and 686,565.20 is: 1,029,847.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,885.20 : 1,117,327.80 = 686,565.20 : x
  2. Step 2: Convert to fraction form
    744,885.20/1,117,327.80 = 686,565.20/x
  3. Step 3: Cross multiply
    744,885.20x = 1,117,327.80 × 686,565.20
  4. Step 4: Simplify right side
    744,885.20x = 767,118,384,472.56
  5. Step 5: Solve for x
    x = 767,118,384,472.56/744,885.20
  6. Step 6: Final answer
    x = 1,029,847.80

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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.