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Finding the Fourth Proportional to 404,539.80, 607,465.80 and 272,007.60

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Solution

The fourth proportional to 404,539.80, 607,465.80 and 272,007.60 is: 408,452.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,539.80 : 607,465.80 = 272,007.60 : x
  2. Step 2: Convert to fraction form
    404,539.80/607,465.80 = 272,007.60/x
  3. Step 3: Cross multiply
    404,539.80x = 607,465.80 × 272,007.60
  4. Step 4: Simplify right side
    404,539.80x = 165,235,314,340.08
  5. Step 5: Solve for x
    x = 165,235,314,340.08/404,539.80
  6. Step 6: Final answer
    x = 408,452.55

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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.