Home / 689,634.48-1,034,118.54-240,344.76

Finding the Fourth Proportional to 689,634.48, 1,034,118.54 and 240,344.76

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Solution

The fourth proportional to 689,634.48, 1,034,118.54 and 240,344.76 is: 360,401.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,634.48 : 1,034,118.54 = 240,344.76 : x
  2. Step 2: Convert to fraction form
    689,634.48/1,034,118.54 = 240,344.76/x
  3. Step 3: Cross multiply
    689,634.48x = 1,034,118.54 × 240,344.76
  4. Step 4: Simplify right side
    689,634.48x = 248,544,972,307.85
  5. Step 5: Solve for x
    x = 248,544,972,307.85/689,634.48
  6. Step 6: Final answer
    x = 360,401.02

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1.5x scale

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.