Home / 696,656.25-1,045,159.36-198,020.25

Finding the Fourth Proportional to 696,656.25, 1,045,159.36 and 198,020.25

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Solution

The fourth proportional to 696,656.25, 1,045,159.36 and 198,020.25 is: 297,080.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,656.25 : 1,045,159.36 = 198,020.25 : x
  2. Step 2: Convert to fraction form
    696,656.25/1,045,159.36 = 198,020.25/x
  3. Step 3: Cross multiply
    696,656.25x = 1,045,159.36 × 198,020.25
  4. Step 4: Simplify right side
    696,656.25x = 206,962,717,261.99
  5. Step 5: Solve for x
    x = 206,962,717,261.99/696,656.25
  6. Step 6: Final answer
    x = 297,080.11

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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.