Home / 763,401.92-1,145,103.04-202,480.32

Finding the Fourth Proportional to 763,401.92, 1,145,103.04 and 202,480.32

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Solution

The fourth proportional to 763,401.92, 1,145,103.04 and 202,480.32 is: 303,720.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,401.92 : 1,145,103.04 = 202,480.32 : x
  2. Step 2: Convert to fraction form
    763,401.92/1,145,103.04 = 202,480.32/x
  3. Step 3: Cross multiply
    763,401.92x = 1,145,103.04 × 202,480.32
  4. Step 4: Simplify right side
    763,401.92x = 231,860,829,972.17
  5. Step 5: Solve for x
    x = 231,860,829,972.17/763,401.92
  6. Step 6: Final answer
    x = 303,720.52

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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.