Home / 877,843.70-1,315,977.15-345,727.70

Finding the Fourth Proportional to 877,843.70, 1,315,977.15 and 345,727.70

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Solution

The fourth proportional to 877,843.70, 1,315,977.15 and 345,727.70 is: 518,281.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,843.70 : 1,315,977.15 = 345,727.70 : x
  2. Step 2: Convert to fraction form
    877,843.70/1,315,977.15 = 345,727.70/x
  3. Step 3: Cross multiply
    877,843.70x = 1,315,977.15 × 345,727.70
  4. Step 4: Simplify right side
    877,843.70x = 454,969,753,322.06
  5. Step 5: Solve for x
    x = 454,969,753,322.06/877,843.70
  6. Step 6: Final answer
    x = 518,281.05

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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.