Home / 763,200.90-1,144,801.35-202,235.40

Finding the Fourth Proportional to 763,200.90, 1,144,801.35 and 202,235.40

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Solution

The fourth proportional to 763,200.90, 1,144,801.35 and 202,235.40 is: 303,353.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,200.90 : 1,144,801.35 = 202,235.40 : x
  2. Step 2: Convert to fraction form
    763,200.90/1,144,801.35 = 202,235.40/x
  3. Step 3: Cross multiply
    763,200.90x = 1,144,801.35 × 202,235.40
  4. Step 4: Simplify right side
    763,200.90x = 231,519,358,937.79
  5. Step 5: Solve for x
    x = 231,519,358,937.79/763,200.90
  6. Step 6: Final answer
    x = 303,353.10

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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.