Home / 548,721.60-823,082.40-489,235.20

Finding the Fourth Proportional to 548,721.60, 823,082.40 and 489,235.20

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Solution

The fourth proportional to 548,721.60, 823,082.40 and 489,235.20 is: 733,852.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,721.60 : 823,082.40 = 489,235.20 : x
  2. Step 2: Convert to fraction form
    548,721.60/823,082.40 = 489,235.20/x
  3. Step 3: Cross multiply
    548,721.60x = 823,082.40 × 489,235.20
  4. Step 4: Simplify right side
    548,721.60x = 402,680,882,580.48
  5. Step 5: Solve for x
    x = 402,680,882,580.48/548,721.60
  6. Step 6: Final answer
    x = 733,852.80

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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.