Home / 944,860.72-1,303,890.24-515,144.56

Finding the Fourth Proportional to 944,860.72, 1,303,890.24 and 515,144.56

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Solution

The fourth proportional to 944,860.72, 1,303,890.24 and 515,144.56 is: 710,889.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,860.72 : 1,303,890.24 = 515,144.56 : x
  2. Step 2: Convert to fraction form
    944,860.72/1,303,890.24 = 515,144.56/x
  3. Step 3: Cross multiply
    944,860.72x = 1,303,890.24 × 515,144.56
  4. Step 4: Simplify right side
    944,860.72x = 671,691,963,973.09
  5. Step 5: Solve for x
    x = 671,691,963,973.09/944,860.72
  6. Step 6: Final answer
    x = 710,889.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.