Home / 887,122.80-1,328,934.60-531,079.20

Finding the Fourth Proportional to 887,122.80, 1,328,934.60 and 531,079.20

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Solution

The fourth proportional to 887,122.80, 1,328,934.60 and 531,079.20 is: 795,571.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,122.80 : 1,328,934.60 = 531,079.20 : x
  2. Step 2: Convert to fraction form
    887,122.80/1,328,934.60 = 531,079.20/x
  3. Step 3: Cross multiply
    887,122.80x = 1,328,934.60 × 531,079.20
  4. Step 4: Simplify right side
    887,122.80x = 705,769,524,220.32
  5. Step 5: Solve for x
    x = 705,769,524,220.32/887,122.80
  6. Step 6: Final answer
    x = 795,571.40

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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.