Home / 987,324.95-1,479,867.80-453,743.33

Finding the Fourth Proportional to 987,324.95, 1,479,867.80 and 453,743.33

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Solution

The fourth proportional to 987,324.95, 1,479,867.80 and 453,743.33 is: 680,100.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,324.95 : 1,479,867.80 = 453,743.33 : x
  2. Step 2: Convert to fraction form
    987,324.95/1,479,867.80 = 453,743.33/x
  3. Step 3: Cross multiply
    987,324.95x = 1,479,867.80 × 453,743.33
  4. Step 4: Simplify right side
    987,324.95x = 671,480,133,863.72
  5. Step 5: Solve for x
    x = 671,480,133,863.72/987,324.95
  6. Step 6: Final answer
    x = 680,100.44

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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.