Home / 749,836.80-1,036,765.44-655,358.40

Finding the Fourth Proportional to 749,836.80, 1,036,765.44 and 655,358.40

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Solution

The fourth proportional to 749,836.80, 1,036,765.44 and 655,358.40 is: 906,134.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,836.80 : 1,036,765.44 = 655,358.40 : x
  2. Step 2: Convert to fraction form
    749,836.80/1,036,765.44 = 655,358.40/x
  3. Step 3: Cross multiply
    749,836.80x = 1,036,765.44 × 655,358.40
  4. Step 4: Simplify right side
    749,836.80x = 679,452,939,933.70
  5. Step 5: Solve for x
    x = 679,452,939,933.70/749,836.80
  6. Step 6: Final answer
    x = 906,134.43

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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.