Home / 698,942.80-1,049,191.80-433,003.60

Finding the Fourth Proportional to 698,942.80, 1,049,191.80 and 433,003.60

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Solution

The fourth proportional to 698,942.80, 1,049,191.80 and 433,003.60 is: 649,987.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,942.80 : 1,049,191.80 = 433,003.60 : x
  2. Step 2: Convert to fraction form
    698,942.80/1,049,191.80 = 433,003.60/x
  3. Step 3: Cross multiply
    698,942.80x = 1,049,191.80 × 433,003.60
  4. Step 4: Simplify right side
    698,942.80x = 454,303,826,490.48
  5. Step 5: Solve for x
    x = 454,303,826,490.48/698,942.80
  6. Step 6: Final answer
    x = 649,987.13

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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.