Home / 948,478.97-1,308,821.50-534,992.90

Finding the Fourth Proportional to 948,478.97, 1,308,821.50 and 534,992.90

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Solution

The fourth proportional to 948,478.97, 1,308,821.50 and 534,992.90 is: 738,245.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,478.97 : 1,308,821.50 = 534,992.90 : x
  2. Step 2: Convert to fraction form
    948,478.97/1,308,821.50 = 534,992.90/x
  3. Step 3: Cross multiply
    948,478.97x = 1,308,821.50 × 534,992.90
  4. Step 4: Simplify right side
    948,478.97x = 700,210,211,801.92
  5. Step 5: Solve for x
    x = 700,210,211,801.92/948,478.97
  6. Step 6: Final answer
    x = 738,245.37

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1.5x scale

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.