Home / 448,862.36-618,869.78-287,452.04

Finding the Fourth Proportional to 448,862.36, 618,869.78 and 287,452.04

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Solution

The fourth proportional to 448,862.36, 618,869.78 and 287,452.04 is: 396,325.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,862.36 : 618,869.78 = 287,452.04 : x
  2. Step 2: Convert to fraction form
    448,862.36/618,869.78 = 287,452.04/x
  3. Step 3: Cross multiply
    448,862.36x = 618,869.78 × 287,452.04
  4. Step 4: Simplify right side
    448,862.36x = 177,895,376,223.74
  5. Step 5: Solve for x
    x = 177,895,376,223.74/448,862.36
  6. Step 6: Final answer
    x = 396,325.01

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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.