Home / 927,093.84-1,390,856.42-287,363.64

Finding the Fourth Proportional to 927,093.84, 1,390,856.42 and 287,363.64

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Solution

The fourth proportional to 927,093.84, 1,390,856.42 and 287,363.64 is: 431,112.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,093.84 : 1,390,856.42 = 287,363.64 : x
  2. Step 2: Convert to fraction form
    927,093.84/1,390,856.42 = 287,363.64/x
  3. Step 3: Cross multiply
    927,093.84x = 1,390,856.42 × 287,363.64
  4. Step 4: Simplify right side
    927,093.84x = 399,681,563,568.57
  5. Step 5: Solve for x
    x = 399,681,563,568.57/927,093.84
  6. Step 6: Final answer
    x = 431,112.31

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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.