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Finding the Fourth Proportional to 575,000, 861,359.08 and 270,977.84

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Solution

The fourth proportional to 575,000, 861,359.08 and 270,977.84 is: 405,929.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,000 : 861,359.08 = 270,977.84 : x
  2. Step 2: Convert to fraction form
    575,000/861,359.08 = 270,977.84/x
  3. Step 3: Cross multiply
    575,000x = 861,359.08 × 270,977.84
  4. Step 4: Simplify right side
    575,000x = 233,409,222,962.79
  5. Step 5: Solve for x
    x = 233,409,222,962.79/575,000
  6. Step 6: Final answer
    x = 405,929.08

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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.