Home / 689,729.31-951,287.24-448,089.73

Finding the Fourth Proportional to 689,729.31, 951,287.24 and 448,089.73

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Solution

The fourth proportional to 689,729.31, 951,287.24 and 448,089.73 is: 618,013.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,729.31 : 951,287.24 = 448,089.73 : x
  2. Step 2: Convert to fraction form
    689,729.31/951,287.24 = 448,089.73/x
  3. Step 3: Cross multiply
    689,729.31x = 951,287.24 × 448,089.73
  4. Step 4: Simplify right side
    689,729.31x = 426,262,041,266.05
  5. Step 5: Solve for x
    x = 426,262,041,266.05/689,729.31
  6. Step 6: Final answer
    x = 618,013.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.