Home / 673,882.28-1,011,064.08-289,469.63

Finding the Fourth Proportional to 673,882.28, 1,011,064.08 and 289,469.63

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Solution

The fourth proportional to 673,882.28, 1,011,064.08 and 289,469.63 is: 434,307.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,882.28 : 1,011,064.08 = 289,469.63 : x
  2. Step 2: Convert to fraction form
    673,882.28/1,011,064.08 = 289,469.63/x
  3. Step 3: Cross multiply
    673,882.28x = 1,011,064.08 × 289,469.63
  4. Step 4: Simplify right side
    673,882.28x = 292,672,345,143.89
  5. Step 5: Solve for x
    x = 292,672,345,143.89/673,882.28
  6. Step 6: Final answer
    x = 434,307.82

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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.