Home / 798,355.20-1,197,532.80-355,123.20

Finding the Fourth Proportional to 798,355.20, 1,197,532.80 and 355,123.20

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Solution

The fourth proportional to 798,355.20, 1,197,532.80 and 355,123.20 is: 532,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,355.20 : 1,197,532.80 = 355,123.20 : x
  2. Step 2: Convert to fraction form
    798,355.20/1,197,532.80 = 355,123.20/x
  3. Step 3: Cross multiply
    798,355.20x = 1,197,532.80 × 355,123.20
  4. Step 4: Simplify right side
    798,355.20x = 425,271,680,040.96
  5. Step 5: Solve for x
    x = 425,271,680,040.96/798,355.20
  6. Step 6: Final answer
    x = 532,684.80

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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.