Home / 729,849.40-1,094,774.10-688,515.10

Finding the Fourth Proportional to 729,849.40, 1,094,774.10 and 688,515.10

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Solution

The fourth proportional to 729,849.40, 1,094,774.10 and 688,515.10 is: 1,032,772.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,849.40 : 1,094,774.10 = 688,515.10 : x
  2. Step 2: Convert to fraction form
    729,849.40/1,094,774.10 = 688,515.10/x
  3. Step 3: Cross multiply
    729,849.40x = 1,094,774.10 × 688,515.10
  4. Step 4: Simplify right side
    729,849.40x = 753,768,498,938.91
  5. Step 5: Solve for x
    x = 753,768,498,938.91/729,849.40
  6. Step 6: Final answer
    x = 1,032,772.65

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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.