Home / 876,742.44-1,209,892.62-489,563.82

Finding the Fourth Proportional to 876,742.44, 1,209,892.62 and 489,563.82

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Solution

The fourth proportional to 876,742.44, 1,209,892.62 and 489,563.82 is: 675,591.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,742.44 : 1,209,892.62 = 489,563.82 : x
  2. Step 2: Convert to fraction form
    876,742.44/1,209,892.62 = 489,563.82/x
  3. Step 3: Cross multiply
    876,742.44x = 1,209,892.62 × 489,563.82
  4. Step 4: Simplify right side
    876,742.44x = 592,319,652,837.01
  5. Step 5: Solve for x
    x = 592,319,652,837.01/876,742.44
  6. Step 6: Final answer
    x = 675,591.40

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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.