Home / 840,815.88-1,160,350.56-458,867.22

Finding the Fourth Proportional to 840,815.88, 1,160,350.56 and 458,867.22

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Solution

The fourth proportional to 840,815.88, 1,160,350.56 and 458,867.22 is: 633,250.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,815.88 : 1,160,350.56 = 458,867.22 : x
  2. Step 2: Convert to fraction form
    840,815.88/1,160,350.56 = 458,867.22/x
  3. Step 3: Cross multiply
    840,815.88x = 1,160,350.56 × 458,867.22
  4. Step 4: Simplify right side
    840,815.88x = 532,446,835,692.64
  5. Step 5: Solve for x
    x = 532,446,835,692.64/840,815.88
  6. Step 6: Final answer
    x = 633,250.21

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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.