Home / 971,662.28-1,340,895.98-541,931.36

Finding the Fourth Proportional to 971,662.28, 1,340,895.98 and 541,931.36

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Solution

The fourth proportional to 971,662.28, 1,340,895.98 and 541,931.36 is: 747,866.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,662.28 : 1,340,895.98 = 541,931.36 : x
  2. Step 2: Convert to fraction form
    971,662.28/1,340,895.98 = 541,931.36/x
  3. Step 3: Cross multiply
    971,662.28x = 1,340,895.98 × 541,931.36
  4. Step 4: Simplify right side
    971,662.28x = 726,673,582,059.93
  5. Step 5: Solve for x
    x = 726,673,582,059.93/971,662.28
  6. Step 6: Final answer
    x = 747,866.41

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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.