Home / 840,446.88-1,159,820.13-458,481.66

Finding the Fourth Proportional to 840,446.88, 1,159,820.13 and 458,481.66

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Solution

The fourth proportional to 840,446.88, 1,159,820.13 and 458,481.66 is: 632,706.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,446.88 : 1,159,820.13 = 458,481.66 : x
  2. Step 2: Convert to fraction form
    840,446.88/1,159,820.13 = 458,481.66/x
  3. Step 3: Cross multiply
    840,446.88x = 1,159,820.13 × 458,481.66
  4. Step 4: Simplify right side
    840,446.88x = 531,756,258,503.82
  5. Step 5: Solve for x
    x = 531,756,258,503.82/840,446.88
  6. Step 6: Final answer
    x = 632,706.56

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1.5x scale

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.