Home / 745,546.60-1,118,506.20-240,155.20

Finding the Fourth Proportional to 745,546.60, 1,118,506.20 and 240,155.20

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Solution

The fourth proportional to 745,546.60, 1,118,506.20 and 240,155.20 is: 360,292.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,546.60 : 1,118,506.20 = 240,155.20 : x
  2. Step 2: Convert to fraction form
    745,546.60/1,118,506.20 = 240,155.20/x
  3. Step 3: Cross multiply
    745,546.60x = 1,118,506.20 × 240,155.20
  4. Step 4: Simplify right side
    745,546.60x = 268,615,080,162.24
  5. Step 5: Solve for x
    x = 268,615,080,162.24/745,546.60
  6. Step 6: Final answer
    x = 360,292.81

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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.