Home / 997,832.79-1,377,008.70-538,947.12

Finding the Fourth Proportional to 997,832.79, 1,377,008.70 and 538,947.12

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Solution

The fourth proportional to 997,832.79, 1,377,008.70 and 538,947.12 is: 743,746.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,832.79 : 1,377,008.70 = 538,947.12 : x
  2. Step 2: Convert to fraction form
    997,832.79/1,377,008.70 = 538,947.12/x
  3. Step 3: Cross multiply
    997,832.79x = 1,377,008.70 × 538,947.12
  4. Step 4: Simplify right side
    997,832.79x = 742,134,873,079.94
  5. Step 5: Solve for x
    x = 742,134,873,079.94/997,832.79
  6. Step 6: Final answer
    x = 743,746.73

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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.