Home / 988,376.01-1,480,869.84-663,555.75

Finding the Fourth Proportional to 988,376.01, 1,480,869.84 and 663,555.75

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Solution

The fourth proportional to 988,376.01, 1,480,869.84 and 663,555.75 is: 994,196.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,376.01 : 1,480,869.84 = 663,555.75 : x
  2. Step 2: Convert to fraction form
    988,376.01/1,480,869.84 = 663,555.75/x
  3. Step 3: Cross multiply
    988,376.01x = 1,480,869.84 × 663,555.75
  4. Step 4: Simplify right side
    988,376.01x = 982,639,697,333.58
  5. Step 5: Solve for x
    x = 982,639,697,333.58/988,376.01
  6. Step 6: Final answer
    x = 994,196.22

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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.