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Finding the Fourth Proportional to 888,672, 1,226,367.36 and 486,264

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Solution

The fourth proportional to 888,672, 1,226,367.36 and 486,264 is: 671,044.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,672 : 1,226,367.36 = 486,264 : x
  2. Step 2: Convert to fraction form
    888,672/1,226,367.36 = 486,264/x
  3. Step 3: Cross multiply
    888,672x = 1,226,367.36 × 486,264
  4. Step 4: Simplify right side
    888,672x = 596,338,297,943.04
  5. Step 5: Solve for x
    x = 596,338,297,943.04/888,672
  6. Step 6: Final answer
    x = 671,044.32

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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.