Home / 808,760.13-1,213,295.72-310,085.25

Finding the Fourth Proportional to 808,760.13, 1,213,295.72 and 310,085.25

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Solution

The fourth proportional to 808,760.13, 1,213,295.72 and 310,085.25 is: 465,187.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,760.13 : 1,213,295.72 = 310,085.25 : x
  2. Step 2: Convert to fraction form
    808,760.13/1,213,295.72 = 310,085.25/x
  3. Step 3: Cross multiply
    808,760.13x = 1,213,295.72 × 310,085.25
  4. Step 4: Simplify right side
    808,760.13x = 376,225,106,660.13
  5. Step 5: Solve for x
    x = 376,225,106,660.13/808,760.13
  6. Step 6: Final answer
    x = 465,187.50

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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.