Home / 808,760.64-1,213,296.46-310,085.76

Finding the Fourth Proportional to 808,760.64, 1,213,296.46 and 310,085.76

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Solution

The fourth proportional to 808,760.64, 1,213,296.46 and 310,085.76 is: 465,188.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,760.64 : 1,213,296.46 = 310,085.76 : x
  2. Step 2: Convert to fraction form
    808,760.64/1,213,296.46 = 310,085.76/x
  3. Step 3: Cross multiply
    808,760.64x = 1,213,296.46 × 310,085.76
  4. Step 4: Simplify right side
    808,760.64x = 376,225,954,904.41
  5. Step 5: Solve for x
    x = 376,225,954,904.41/808,760.64
  6. Step 6: Final answer
    x = 465,188.26

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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.