Home / 687,095.83-1,030,649.21-282,183.71

Finding the Fourth Proportional to 687,095.83, 1,030,649.21 and 282,183.71

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Solution

The fourth proportional to 687,095.83, 1,030,649.21 and 282,183.71 is: 423,277.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,095.83 : 1,030,649.21 = 282,183.71 : x
  2. Step 2: Convert to fraction form
    687,095.83/1,030,649.21 = 282,183.71/x
  3. Step 3: Cross multiply
    687,095.83x = 1,030,649.21 × 282,183.71
  4. Step 4: Simplify right side
    687,095.83x = 290,832,418,077.80
  5. Step 5: Solve for x
    x = 290,832,418,077.80/687,095.83
  6. Step 6: Final answer
    x = 423,277.81

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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.