Home / 530,942.24-732,690.08-289,222.08

Finding the Fourth Proportional to 530,942.24, 732,690.08 and 289,222.08

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Solution

The fourth proportional to 530,942.24, 732,690.08 and 289,222.08 is: 399,120.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,942.24 : 732,690.08 = 289,222.08 : x
  2. Step 2: Convert to fraction form
    530,942.24/732,690.08 = 289,222.08/x
  3. Step 3: Cross multiply
    530,942.24x = 732,690.08 × 289,222.08
  4. Step 4: Simplify right side
    530,942.24x = 211,910,148,932.97
  5. Step 5: Solve for x
    x = 211,910,148,932.97/530,942.24
  6. Step 6: Final answer
    x = 399,120.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.