Home / 571,230.69-788,118.21-329,480.85

Finding the Fourth Proportional to 571,230.69, 788,118.21 and 329,480.85

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Solution

The fourth proportional to 571,230.69, 788,118.21 and 329,480.85 is: 454,579.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,230.69 : 788,118.21 = 329,480.85 : x
  2. Step 2: Convert to fraction form
    571,230.69/788,118.21 = 329,480.85/x
  3. Step 3: Cross multiply
    571,230.69x = 788,118.21 × 329,480.85
  4. Step 4: Simplify right side
    571,230.69x = 259,669,857,731.28
  5. Step 5: Solve for x
    x = 259,669,857,731.28/571,230.69
  6. Step 6: Final answer
    x = 454,579.67

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Double scale
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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.