Home / 927,256.82-1,280,239.21-578,928.08

Finding the Fourth Proportional to 927,256.82, 1,280,239.21 and 578,928.08

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Solution

The fourth proportional to 927,256.82, 1,280,239.21 and 578,928.08 is: 799,310.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,256.82 : 1,280,239.21 = 578,928.08 : x
  2. Step 2: Convert to fraction form
    927,256.82/1,280,239.21 = 578,928.08/x
  3. Step 3: Cross multiply
    927,256.82x = 1,280,239.21 × 578,928.08
  4. Step 4: Simplify right side
    927,256.82x = 741,166,431,710.28
  5. Step 5: Solve for x
    x = 741,166,431,710.28/927,256.82
  6. Step 6: Final answer
    x = 799,310.85

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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.