Home / 840,722.60-1,160,225.16-458,770.34

Finding the Fourth Proportional to 840,722.60, 1,160,225.16 and 458,770.34

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Solution

The fourth proportional to 840,722.60, 1,160,225.16 and 458,770.34 is: 633,118.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,722.60 : 1,160,225.16 = 458,770.34 : x
  2. Step 2: Convert to fraction form
    840,722.60/1,160,225.16 = 458,770.34/x
  3. Step 3: Cross multiply
    840,722.60x = 1,160,225.16 × 458,770.34
  4. Step 4: Simplify right side
    840,722.60x = 532,276,891,129.75
  5. Step 5: Solve for x
    x = 532,276,891,129.75/840,722.60
  6. Step 6: Final answer
    x = 633,118.33

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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.