Home / 698,943.80-1,049,193.30-433,004.60

Finding the Fourth Proportional to 698,943.80, 1,049,193.30 and 433,004.60

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Solution

The fourth proportional to 698,943.80, 1,049,193.30 and 433,004.60 is: 649,988.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,943.80 : 1,049,193.30 = 433,004.60 : x
  2. Step 2: Convert to fraction form
    698,943.80/1,049,193.30 = 433,004.60/x
  3. Step 3: Cross multiply
    698,943.80x = 1,049,193.30 × 433,004.60
  4. Step 4: Simplify right side
    698,943.80x = 454,305,525,189.18
  5. Step 5: Solve for x
    x = 454,305,525,189.18/698,943.80
  6. Step 6: Final answer
    x = 649,988.63

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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.