Home / 689,373.15-1,034,087.54-240,139.45

Finding the Fourth Proportional to 689,373.15, 1,034,087.54 and 240,139.45

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Solution

The fourth proportional to 689,373.15, 1,034,087.54 and 240,139.45 is: 360,218.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,373.15 : 1,034,087.54 = 240,139.45 : x
  2. Step 2: Convert to fraction form
    689,373.15/1,034,087.54 = 240,139.45/x
  3. Step 3: Cross multiply
    689,373.15x = 1,034,087.54 × 240,139.45
  4. Step 4: Simplify right side
    689,373.15x = 248,325,213,107.45
  5. Step 5: Solve for x
    x = 248,325,213,107.45/689,373.15
  6. Step 6: Final answer
    x = 360,218.86

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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.