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Finding the Fourth Proportional to 508,100.70, 700,856.91 and 326,500.14

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Solution

The fourth proportional to 508,100.70, 700,856.91 and 326,500.14 is: 450,363.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,100.70 : 700,856.91 = 326,500.14 : x
  2. Step 2: Convert to fraction form
    508,100.70/700,856.91 = 326,500.14/x
  3. Step 3: Cross multiply
    508,100.70x = 700,856.91 × 326,500.14
  4. Step 4: Simplify right side
    508,100.70x = 228,829,879,234.97
  5. Step 5: Solve for x
    x = 228,829,879,234.97/508,100.70
  6. Step 6: Final answer
    x = 450,363.24

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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.