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Finding the Fourth Proportional to 537,078.80, 806,240.60 and 288,246.80

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Solution

The fourth proportional to 537,078.80, 806,240.60 and 288,246.80 is: 432,704.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,078.80 : 806,240.60 = 288,246.80 : x
  2. Step 2: Convert to fraction form
    537,078.80/806,240.60 = 288,246.80/x
  3. Step 3: Cross multiply
    537,078.80x = 806,240.60 × 288,246.80
  4. Step 4: Simplify right side
    537,078.80x = 232,396,272,980.08
  5. Step 5: Solve for x
    x = 232,396,272,980.08/537,078.80
  6. Step 6: Final answer
    x = 432,704.24

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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.