Home / 766,463.71-1,140,648.30-740,921.94

Finding the Fourth Proportional to 766,463.71, 1,140,648.30 and 740,921.94

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Solution

The fourth proportional to 766,463.71, 1,140,648.30 and 740,921.94 is: 1,102,637.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,463.71 : 1,140,648.30 = 740,921.94 : x
  2. Step 2: Convert to fraction form
    766,463.71/1,140,648.30 = 740,921.94/x
  3. Step 3: Cross multiply
    766,463.71x = 1,140,648.30 × 740,921.94
  4. Step 4: Simplify right side
    766,463.71x = 845,131,354,179.56
  5. Step 5: Solve for x
    x = 845,131,354,179.56/766,463.71
  6. Step 6: Final answer
    x = 1,102,637.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.