Home / 875,118.80-1,311,886.20-609,006.80

Finding the Fourth Proportional to 875,118.80, 1,311,886.20 and 609,006.80

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Solution

The fourth proportional to 875,118.80, 1,311,886.20 and 609,006.80 is: 912,959.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,118.80 : 1,311,886.20 = 609,006.80 : x
  2. Step 2: Convert to fraction form
    875,118.80/1,311,886.20 = 609,006.80/x
  3. Step 3: Cross multiply
    875,118.80x = 1,311,886.20 × 609,006.80
  4. Step 4: Simplify right side
    875,118.80x = 798,947,616,626.16
  5. Step 5: Solve for x
    x = 798,947,616,626.16/875,118.80
  6. Step 6: Final answer
    x = 912,959.04

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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.