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Finding the Fourth Proportional to 555,552.62, 766,724.83 and 313,850.76

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Solution

The fourth proportional to 555,552.62, 766,724.83 and 313,850.76 is: 433,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,552.62 : 766,724.83 = 313,850.76 : x
  2. Step 2: Convert to fraction form
    555,552.62/766,724.83 = 313,850.76/x
  3. Step 3: Cross multiply
    555,552.62x = 766,724.83 × 313,850.76
  4. Step 4: Simplify right side
    555,552.62x = 240,637,170,606.37
  5. Step 5: Solve for x
    x = 240,637,170,606.37/555,552.62
  6. Step 6: Final answer
    x = 433,149.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.