Home / 971,661.28-1,340,894.56-541,930.32

Finding the Fourth Proportional to 971,661.28, 1,340,894.56 and 541,930.32

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Solution

The fourth proportional to 971,661.28, 1,340,894.56 and 541,930.32 is: 747,864.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,661.28 : 1,340,894.56 = 541,930.32 : x
  2. Step 2: Convert to fraction form
    971,661.28/1,340,894.56 = 541,930.32/x
  3. Step 3: Cross multiply
    971,661.28x = 1,340,894.56 × 541,930.32
  4. Step 4: Simplify right side
    971,661.28x = 726,671,417,987.06
  5. Step 5: Solve for x
    x = 726,671,417,987.06/971,661.28
  6. Step 6: Final answer
    x = 747,864.95

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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.