Home / 810,956.33-1,216,934.77-411,883.50

Finding the Fourth Proportional to 810,956.33, 1,216,934.77 and 411,883.50

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Solution

The fourth proportional to 810,956.33, 1,216,934.77 and 411,883.50 is: 618,079.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,956.33 : 1,216,934.77 = 411,883.50 : x
  2. Step 2: Convert to fraction form
    810,956.33/1,216,934.77 = 411,883.50/x
  3. Step 3: Cross multiply
    810,956.33x = 1,216,934.77 × 411,883.50
  4. Step 4: Simplify right side
    810,956.33x = 501,235,356,645.37
  5. Step 5: Solve for x
    x = 501,235,356,645.37/810,956.33
  6. Step 6: Final answer
    x = 618,079.35

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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.