Home / 730,929.86-1,096,581.65-281,530.11

Finding the Fourth Proportional to 730,929.86, 1,096,581.65 and 281,530.11

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Solution

The fourth proportional to 730,929.86, 1,096,581.65 and 281,530.11 is: 422,367.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,929.86 : 1,096,581.65 = 281,530.11 : x
  2. Step 2: Convert to fraction form
    730,929.86/1,096,581.65 = 281,530.11/x
  3. Step 3: Cross multiply
    730,929.86x = 1,096,581.65 × 281,530.11
  4. Step 4: Simplify right side
    730,929.86x = 308,720,751,140.83
  5. Step 5: Solve for x
    x = 308,720,751,140.83/730,929.86
  6. Step 6: Final answer
    x = 422,367.14

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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.