Home / 578,052.20-867,078.30-484,740.20

Finding the Fourth Proportional to 578,052.20, 867,078.30 and 484,740.20

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Solution

The fourth proportional to 578,052.20, 867,078.30 and 484,740.20 is: 727,110.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,052.20 : 867,078.30 = 484,740.20 : x
  2. Step 2: Convert to fraction form
    578,052.20/867,078.30 = 484,740.20/x
  3. Step 3: Cross multiply
    578,052.20x = 867,078.30 × 484,740.20
  4. Step 4: Simplify right side
    578,052.20x = 420,307,708,557.66
  5. Step 5: Solve for x
    x = 420,307,708,557.66/578,052.20
  6. Step 6: Final answer
    x = 727,110.30

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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.