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Finding the Fourth Proportional to 555,234.84, 766,224.34 and 300,586.04

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Solution

The fourth proportional to 555,234.84, 766,224.34 and 300,586.04 is: 414,808.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,234.84 : 766,224.34 = 300,586.04 : x
  2. Step 2: Convert to fraction form
    555,234.84/766,224.34 = 300,586.04/x
  3. Step 3: Cross multiply
    555,234.84x = 766,224.34 × 300,586.04
  4. Step 4: Simplify right side
    555,234.84x = 230,316,340,112.21
  5. Step 5: Solve for x
    x = 230,316,340,112.21/555,234.84
  6. Step 6: Final answer
    x = 414,808.88

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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.