Home / 698,934.80-1,049,179.80-432,995.60

Finding the Fourth Proportional to 698,934.80, 1,049,179.80 and 432,995.60

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Solution

The fourth proportional to 698,934.80, 1,049,179.80 and 432,995.60 is: 649,975.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,934.80 : 1,049,179.80 = 432,995.60 : x
  2. Step 2: Convert to fraction form
    698,934.80/1,049,179.80 = 432,995.60/x
  3. Step 3: Cross multiply
    698,934.80x = 1,049,179.80 × 432,995.60
  4. Step 4: Simplify right side
    698,934.80x = 454,290,237,008.88
  5. Step 5: Solve for x
    x = 454,290,237,008.88/698,934.80
  6. Step 6: Final answer
    x = 649,975.13

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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.