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Finding the Fourth Proportional to 555,224.54, 766,210.12 and 300,575.74

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Solution

The fourth proportional to 555,224.54, 766,210.12 and 300,575.74 is: 414,794.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,224.54 : 766,210.12 = 300,575.74 : x
  2. Step 2: Convert to fraction form
    555,224.54/766,210.12 = 300,575.74/x
  3. Step 3: Cross multiply
    555,224.54x = 766,210.12 × 300,575.74
  4. Step 4: Simplify right side
    555,224.54x = 230,304,173,814.49
  5. Step 5: Solve for x
    x = 230,304,173,814.49/555,224.54
  6. Step 6: Final answer
    x = 414,794.66

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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.