Home / 744,643.31-1,116,822.08-289,234.04

Finding the Fourth Proportional to 744,643.31, 1,116,822.08 and 289,234.04

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Solution

The fourth proportional to 744,643.31, 1,116,822.08 and 289,234.04 is: 433,795.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,643.31 : 1,116,822.08 = 289,234.04 : x
  2. Step 2: Convert to fraction form
    744,643.31/1,116,822.08 = 289,234.04/x
  3. Step 3: Cross multiply
    744,643.31x = 1,116,822.08 × 289,234.04
  4. Step 4: Simplify right side
    744,643.31x = 323,022,957,298.58
  5. Step 5: Solve for x
    x = 323,022,957,298.58/744,643.31
  6. Step 6: Final answer
    x = 433,795.56

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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.