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Finding the Fourth Proportional to 888,673, 1,226,368.74 and 486,265

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Solution

The fourth proportional to 888,673, 1,226,368.74 and 486,265 is: 671,045.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,673 : 1,226,368.74 = 486,265 : x
  2. Step 2: Convert to fraction form
    888,673/1,226,368.74 = 486,265/x
  3. Step 3: Cross multiply
    888,673x = 1,226,368.74 × 486,265
  4. Step 4: Simplify right side
    888,673x = 596,340,195,356.10
  5. Step 5: Solve for x
    x = 596,340,195,356.10/888,673
  6. Step 6: Final answer
    x = 671,045.70

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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.