Home / 680,472.64-1,021,104.42-376,897.60

Finding the Fourth Proportional to 680,472.64, 1,021,104.42 and 376,897.60

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Solution

The fourth proportional to 680,472.64, 1,021,104.42 and 376,897.60 is: 565,565.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,472.64 : 1,021,104.42 = 376,897.60 : x
  2. Step 2: Convert to fraction form
    680,472.64/1,021,104.42 = 376,897.60/x
  3. Step 3: Cross multiply
    680,472.64x = 1,021,104.42 × 376,897.60
  4. Step 4: Simplify right side
    680,472.64x = 384,851,805,247.39
  5. Step 5: Solve for x
    x = 384,851,805,247.39/680,472.64
  6. Step 6: Final answer
    x = 565,565.44

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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.