Home / 971,629.66-1,340,848.78-541,900.57

Finding the Fourth Proportional to 971,629.66, 1,340,848.78 and 541,900.57

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Solution

The fourth proportional to 971,629.66, 1,340,848.78 and 541,900.57 is: 747,822.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,629.66 : 1,340,848.78 = 541,900.57 : x
  2. Step 2: Convert to fraction form
    971,629.66/1,340,848.78 = 541,900.57/x
  3. Step 3: Cross multiply
    971,629.66x = 1,340,848.78 × 541,900.57
  4. Step 4: Simplify right side
    971,629.66x = 726,606,718,165.81
  5. Step 5: Solve for x
    x = 726,606,718,165.81/971,629.66
  6. Step 6: Final answer
    x = 747,822.70

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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.