Home / 753,494.20-1,131,116.10-433,900.60

Finding the Fourth Proportional to 753,494.20, 1,131,116.10 and 433,900.60

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Solution

The fourth proportional to 753,494.20, 1,131,116.10 and 433,900.60 is: 651,354.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,494.20 : 1,131,116.10 = 433,900.60 : x
  2. Step 2: Convert to fraction form
    753,494.20/1,131,116.10 = 433,900.60/x
  3. Step 3: Cross multiply
    753,494.20x = 1,131,116.10 × 433,900.60
  4. Step 4: Simplify right side
    753,494.20x = 490,791,954,459.66
  5. Step 5: Solve for x
    x = 490,791,954,459.66/753,494.20
  6. Step 6: Final answer
    x = 651,354.65

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1.5x scale

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.