Home / 891,656.60-1,337,679.30-292,515.80

Finding the Fourth Proportional to 891,656.60, 1,337,679.30 and 292,515.80

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Solution

The fourth proportional to 891,656.60, 1,337,679.30 and 292,515.80 is: 438,837.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,656.60 : 1,337,679.30 = 292,515.80 : x
  2. Step 2: Convert to fraction form
    891,656.60/1,337,679.30 = 292,515.80/x
  3. Step 3: Cross multiply
    891,656.60x = 1,337,679.30 × 292,515.80
  4. Step 4: Simplify right side
    891,656.60x = 391,292,330,582.94
  5. Step 5: Solve for x
    x = 391,292,330,582.94/891,656.60
  6. Step 6: Final answer
    x = 438,837.47

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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.