Home / 676,633.91-1,014,823.89-339,584.20

Finding the Fourth Proportional to 676,633.91, 1,014,823.89 and 339,584.20

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Solution

The fourth proportional to 676,633.91, 1,014,823.89 and 339,584.20 is: 509,312.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,633.91 : 1,014,823.89 = 339,584.20 : x
  2. Step 2: Convert to fraction form
    676,633.91/1,014,823.89 = 339,584.20/x
  3. Step 3: Cross multiply
    676,633.91x = 1,014,823.89 × 339,584.20
  4. Step 4: Simplify right side
    676,633.91x = 344,618,156,289.48
  5. Step 5: Solve for x
    x = 344,618,156,289.48/676,633.91
  6. Step 6: Final answer
    x = 509,312.57

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Double scale
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1.5x scale

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.