Home / 753,429.10-1,130,143.65-254,793.10

Finding the Fourth Proportional to 753,429.10, 1,130,143.65 and 254,793.10

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Solution

The fourth proportional to 753,429.10, 1,130,143.65 and 254,793.10 is: 382,189.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,429.10 : 1,130,143.65 = 254,793.10 : x
  2. Step 2: Convert to fraction form
    753,429.10/1,130,143.65 = 254,793.10/x
  3. Step 3: Cross multiply
    753,429.10x = 1,130,143.65 × 254,793.10
  4. Step 4: Simplify right side
    753,429.10x = 287,952,804,028.82
  5. Step 5: Solve for x
    x = 287,952,804,028.82/753,429.10
  6. Step 6: Final answer
    x = 382,189.65

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Similar ratio
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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.