Home / 857,520.06-1,286,290.95-324,898.02

Finding the Fourth Proportional to 857,520.06, 1,286,290.95 and 324,898.02

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Solution

The fourth proportional to 857,520.06, 1,286,290.95 and 324,898.02 is: 487,351.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,520.06 : 1,286,290.95 = 324,898.02 : x
  2. Step 2: Convert to fraction form
    857,520.06/1,286,290.95 = 324,898.02/x
  3. Step 3: Cross multiply
    857,520.06x = 1,286,290.95 × 324,898.02
  4. Step 4: Simplify right side
    857,520.06x = 417,913,382,798.92
  5. Step 5: Solve for x
    x = 417,913,382,798.92/857,520.06
  6. Step 6: Final answer
    x = 487,351.14

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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.