Home / 867,008.40-1,300,512.60-548,143.80

Finding the Fourth Proportional to 867,008.40, 1,300,512.60 and 548,143.80

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Solution

The fourth proportional to 867,008.40, 1,300,512.60 and 548,143.80 is: 822,215.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,008.40 : 1,300,512.60 = 548,143.80 : x
  2. Step 2: Convert to fraction form
    867,008.40/1,300,512.60 = 548,143.80/x
  3. Step 3: Cross multiply
    867,008.40x = 1,300,512.60 × 548,143.80
  4. Step 4: Simplify right side
    867,008.40x = 712,867,918,511.88
  5. Step 5: Solve for x
    x = 712,867,918,511.88/867,008.40
  6. Step 6: Final answer
    x = 822,215.70

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1.5x scale

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.