Home / 971,642.97-1,457,114.54-410,721.21

Finding the Fourth Proportional to 971,642.97, 1,457,114.54 and 410,721.21

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Solution

The fourth proportional to 971,642.97, 1,457,114.54 and 410,721.21 is: 615,933.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,642.97 : 1,457,114.54 = 410,721.21 : x
  2. Step 2: Convert to fraction form
    971,642.97/1,457,114.54 = 410,721.21/x
  3. Step 3: Cross multiply
    971,642.97x = 1,457,114.54 × 410,721.21
  4. Step 4: Simplify right side
    971,642.97x = 598,467,844,923.79
  5. Step 5: Solve for x
    x = 598,467,844,923.79/971,642.97
  6. Step 6: Final answer
    x = 615,933.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.