Home / 816,284.34-1,224,438.86-310,873.30

Finding the Fourth Proportional to 816,284.34, 1,224,438.86 and 310,873.30

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Solution

The fourth proportional to 816,284.34, 1,224,438.86 and 310,873.30 is: 466,314.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,284.34 : 1,224,438.86 = 310,873.30 : x
  2. Step 2: Convert to fraction form
    816,284.34/1,224,438.86 = 310,873.30/x
  3. Step 3: Cross multiply
    816,284.34x = 1,224,438.86 × 310,873.30
  4. Step 4: Simplify right side
    816,284.34x = 380,645,346,772.52
  5. Step 5: Solve for x
    x = 380,645,346,772.52/816,284.34
  6. Step 6: Final answer
    x = 466,314.65

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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.