Home / 745,747.80-1,118,621.70-325,843.80

Finding the Fourth Proportional to 745,747.80, 1,118,621.70 and 325,843.80

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Solution

The fourth proportional to 745,747.80, 1,118,621.70 and 325,843.80 is: 488,765.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,747.80 : 1,118,621.70 = 325,843.80 : x
  2. Step 2: Convert to fraction form
    745,747.80/1,118,621.70 = 325,843.80/x
  3. Step 3: Cross multiply
    745,747.80x = 1,118,621.70 × 325,843.80
  4. Step 4: Simplify right side
    745,747.80x = 364,495,945,490.46
  5. Step 5: Solve for x
    x = 364,495,945,490.46/745,747.80
  6. Step 6: Final answer
    x = 488,765.70

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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.