Home / 698,891.10-1,049,320.80-433,170.60

Finding the Fourth Proportional to 698,891.10, 1,049,320.80 and 433,170.60

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Solution

The fourth proportional to 698,891.10, 1,049,320.80 and 433,170.60 is: 650,365.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,891.10 : 1,049,320.80 = 433,170.60 : x
  2. Step 2: Convert to fraction form
    698,891.10/1,049,320.80 = 433,170.60/x
  3. Step 3: Cross multiply
    698,891.10x = 1,049,320.80 × 433,170.60
  4. Step 4: Simplify right side
    698,891.10x = 454,534,920,528.48
  5. Step 5: Solve for x
    x = 454,534,920,528.48/698,891.10
  6. Step 6: Final answer
    x = 650,365.87

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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.