Home / 803,263.52-1,204,129.52-270,510.40

Finding the Fourth Proportional to 803,263.52, 1,204,129.52 and 270,510.40

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Solution

The fourth proportional to 803,263.52, 1,204,129.52 and 270,510.40 is: 405,507.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,263.52 : 1,204,129.52 = 270,510.40 : x
  2. Step 2: Convert to fraction form
    803,263.52/1,204,129.52 = 270,510.40/x
  3. Step 3: Cross multiply
    803,263.52x = 1,204,129.52 × 270,510.40
  4. Step 4: Simplify right side
    803,263.52x = 325,729,558,107.01
  5. Step 5: Solve for x
    x = 325,729,558,107.01/803,263.52
  6. Step 6: Final answer
    x = 405,507.72

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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.