Home / 814,313.04-1,221,646.68-340,754.64

Finding the Fourth Proportional to 814,313.04, 1,221,646.68 and 340,754.64

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Solution

The fourth proportional to 814,313.04, 1,221,646.68 and 340,754.64 is: 511,206.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,313.04 : 1,221,646.68 = 340,754.64 : x
  2. Step 2: Convert to fraction form
    814,313.04/1,221,646.68 = 340,754.64/x
  3. Step 3: Cross multiply
    814,313.04x = 1,221,646.68 × 340,754.64
  4. Step 4: Simplify right side
    814,313.04x = 416,281,774,650.60
  5. Step 5: Solve for x
    x = 416,281,774,650.60/814,313.04
  6. Step 6: Final answer
    x = 511,206.08

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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.