Home / 712,001.74-1,067,836.48-206,427.03

Finding the Fourth Proportional to 712,001.74, 1,067,836.48 and 206,427.03

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Solution

The fourth proportional to 712,001.74, 1,067,836.48 and 206,427.03 is: 309,592.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,001.74 : 1,067,836.48 = 206,427.03 : x
  2. Step 2: Convert to fraction form
    712,001.74/1,067,836.48 = 206,427.03/x
  3. Step 3: Cross multiply
    712,001.74x = 1,067,836.48 × 206,427.03
  4. Step 4: Simplify right side
    712,001.74x = 220,430,312,575.99
  5. Step 5: Solve for x
    x = 220,430,312,575.99/712,001.74
  6. Step 6: Final answer
    x = 309,592.38

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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.