Home / 535,849.72-739,136.25-317,904.09

Finding the Fourth Proportional to 535,849.72, 739,136.25 and 317,904.09

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Solution

The fourth proportional to 535,849.72, 739,136.25 and 317,904.09 is: 438,508.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,849.72 : 739,136.25 = 317,904.09 : x
  2. Step 2: Convert to fraction form
    535,849.72/739,136.25 = 317,904.09/x
  3. Step 3: Cross multiply
    535,849.72x = 739,136.25 × 317,904.09
  4. Step 4: Simplify right side
    535,849.72x = 234,974,438,134.40
  5. Step 5: Solve for x
    x = 234,974,438,134.40/535,849.72
  6. Step 6: Final answer
    x = 438,508.09

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1.5x scale

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.