Home / 859,072.08-1,288,039.44-409,862.28

Finding the Fourth Proportional to 859,072.08, 1,288,039.44 and 409,862.28

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Solution

The fourth proportional to 859,072.08, 1,288,039.44 and 409,862.28 is: 614,522.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,072.08 : 1,288,039.44 = 409,862.28 : x
  2. Step 2: Convert to fraction form
    859,072.08/1,288,039.44 = 409,862.28/x
  3. Step 3: Cross multiply
    859,072.08x = 1,288,039.44 × 409,862.28
  4. Step 4: Simplify right side
    859,072.08x = 527,918,781,608.32
  5. Step 5: Solve for x
    x = 527,918,781,608.32/859,072.08
  6. Step 6: Final answer
    x = 614,522.10

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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.