Home / 522,731.16-784,446.30-223,281.72

Finding the Fourth Proportional to 522,731.16, 784,446.30 and 223,281.72

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Solution

The fourth proportional to 522,731.16, 784,446.30 and 223,281.72 is: 335,071.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,731.16 : 784,446.30 = 223,281.72 : x
  2. Step 2: Convert to fraction form
    522,731.16/784,446.30 = 223,281.72/x
  3. Step 3: Cross multiply
    522,731.16x = 784,446.30 × 223,281.72
  4. Step 4: Simplify right side
    522,731.16x = 175,152,519,111.64
  5. Step 5: Solve for x
    x = 175,152,519,111.64/522,731.16
  6. Step 6: Final answer
    x = 335,071.89

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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.