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Finding the Fourth Proportional to 497,766.80, 748,205.40 and 488,435.60

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Solution

The fourth proportional to 497,766.80, 748,205.40 and 488,435.60 is: 734,179.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,766.80 : 748,205.40 = 488,435.60 : x
  2. Step 2: Convert to fraction form
    497,766.80/748,205.40 = 488,435.60/x
  3. Step 3: Cross multiply
    497,766.80x = 748,205.40 × 488,435.60
  4. Step 4: Simplify right side
    497,766.80x = 365,450,153,472.24
  5. Step 5: Solve for x
    x = 365,450,153,472.24/497,766.80
  6. Step 6: Final answer
    x = 734,179.45

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1.5x scale

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.