Home / 888,485.50-1,226,110.80-486,077.50

Finding the Fourth Proportional to 888,485.50, 1,226,110.80 and 486,077.50

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Solution

The fourth proportional to 888,485.50, 1,226,110.80 and 486,077.50 is: 670,787.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,485.50 : 1,226,110.80 = 486,077.50 : x
  2. Step 2: Convert to fraction form
    888,485.50/1,226,110.80 = 486,077.50/x
  3. Step 3: Cross multiply
    888,485.50x = 1,226,110.80 × 486,077.50
  4. Step 4: Simplify right side
    888,485.50x = 595,984,872,387
  5. Step 5: Solve for x
    x = 595,984,872,387/888,485.50
  6. Step 6: Final answer
    x = 670,787.39

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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.