Home / 840,847.88-1,160,394.72-458,899.28

Finding the Fourth Proportional to 840,847.88, 1,160,394.72 and 458,899.28

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Solution

The fourth proportional to 840,847.88, 1,160,394.72 and 458,899.28 is: 633,294.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,847.88 : 1,160,394.72 = 458,899.28 : x
  2. Step 2: Convert to fraction form
    840,847.88/1,160,394.72 = 458,899.28/x
  3. Step 3: Cross multiply
    840,847.88x = 1,160,394.72 × 458,899.28
  4. Step 4: Simplify right side
    840,847.88x = 532,504,301,523.80
  5. Step 5: Solve for x
    x = 532,504,301,523.80/840,847.88
  6. Step 6: Final answer
    x = 633,294.46

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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.