Home / 727,849.54-1,091,774.31-284,306.50

Finding the Fourth Proportional to 727,849.54, 1,091,774.31 and 284,306.50

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Solution

The fourth proportional to 727,849.54, 1,091,774.31 and 284,306.50 is: 426,459.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,849.54 : 1,091,774.31 = 284,306.50 : x
  2. Step 2: Convert to fraction form
    727,849.54/1,091,774.31 = 284,306.50/x
  3. Step 3: Cross multiply
    727,849.54x = 1,091,774.31 × 284,306.50
  4. Step 4: Simplify right side
    727,849.54x = 310,398,532,866.02
  5. Step 5: Solve for x
    x = 310,398,532,866.02/727,849.54
  6. Step 6: Final answer
    x = 426,459.75

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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.