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Finding the Fourth Proportional to 522,725.16, 784,437.30 and 223,275.72

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Solution

The fourth proportional to 522,725.16, 784,437.30 and 223,275.72 is: 335,062.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,725.16 : 784,437.30 = 223,275.72 : x
  2. Step 2: Convert to fraction form
    522,725.16/784,437.30 = 223,275.72/x
  3. Step 3: Cross multiply
    522,725.16x = 784,437.30 × 223,275.72
  4. Step 4: Simplify right side
    522,725.16x = 175,145,802,952.36
  5. Step 5: Solve for x
    x = 175,145,802,952.36/522,725.16
  6. Step 6: Final answer
    x = 335,062.89

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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.