Home / 988,759.05-1,481,443.48-663,938.29

Finding the Fourth Proportional to 988,759.05, 1,481,443.48 and 663,938.29

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Solution

The fourth proportional to 988,759.05, 1,481,443.48 and 663,938.29 is: 994,769.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,759.05 : 1,481,443.48 = 663,938.29 : x
  2. Step 2: Convert to fraction form
    988,759.05/1,481,443.48 = 663,938.29/x
  3. Step 3: Cross multiply
    988,759.05x = 1,481,443.48 × 663,938.29
  4. Step 4: Simplify right side
    988,759.05x = 983,587,060,117.46
  5. Step 5: Solve for x
    x = 983,587,060,117.46/988,759.05
  6. Step 6: Final answer
    x = 994,769.21

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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.