Home / 808,049.40-1,212,074.10-471,470.10

Finding the Fourth Proportional to 808,049.40, 1,212,074.10 and 471,470.10

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Solution

The fourth proportional to 808,049.40, 1,212,074.10 and 471,470.10 is: 707,205.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,049.40 : 1,212,074.10 = 471,470.10 : x
  2. Step 2: Convert to fraction form
    808,049.40/1,212,074.10 = 471,470.10/x
  3. Step 3: Cross multiply
    808,049.40x = 1,212,074.10 × 471,470.10
  4. Step 4: Simplify right side
    808,049.40x = 571,456,697,134.41
  5. Step 5: Solve for x
    x = 571,456,697,134.41/808,049.40
  6. Step 6: Final answer
    x = 707,205.15

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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.