Home / 867,638.80-1,301,458.20-548,774.20

Finding the Fourth Proportional to 867,638.80, 1,301,458.20 and 548,774.20

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Solution

The fourth proportional to 867,638.80, 1,301,458.20 and 548,774.20 is: 823,161.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,638.80 : 1,301,458.20 = 548,774.20 : x
  2. Step 2: Convert to fraction form
    867,638.80/1,301,458.20 = 548,774.20/x
  3. Step 3: Cross multiply
    867,638.80x = 1,301,458.20 × 548,774.20
  4. Step 4: Simplify right side
    867,638.80x = 714,206,682,538.44
  5. Step 5: Solve for x
    x = 714,206,682,538.44/867,638.80
  6. Step 6: Final answer
    x = 823,161.30

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Half scale
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Double scale
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Similar ratio
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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.