Home / 770,512.90-1,155,769.35-201,892.90

Finding the Fourth Proportional to 770,512.90, 1,155,769.35 and 201,892.90

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Solution

The fourth proportional to 770,512.90, 1,155,769.35 and 201,892.90 is: 302,839.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,512.90 : 1,155,769.35 = 201,892.90 : x
  2. Step 2: Convert to fraction form
    770,512.90/1,155,769.35 = 201,892.90/x
  3. Step 3: Cross multiply
    770,512.90x = 1,155,769.35 × 201,892.90
  4. Step 4: Simplify right side
    770,512.90x = 233,341,625,802.62
  5. Step 5: Solve for x
    x = 233,341,625,802.62/770,512.90
  6. Step 6: Final answer
    x = 302,839.35

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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.