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Finding the Fourth Proportional to 702,542.36, 969,511.02 and 380,256.68

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Solution

The fourth proportional to 702,542.36, 969,511.02 and 380,256.68 is: 524,755.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,542.36 : 969,511.02 = 380,256.68 : x
  2. Step 2: Convert to fraction form
    702,542.36/969,511.02 = 380,256.68/x
  3. Step 3: Cross multiply
    702,542.36x = 969,511.02 × 380,256.68
  4. Step 4: Simplify right side
    702,542.36x = 368,663,041,688.61
  5. Step 5: Solve for x
    x = 368,663,041,688.61/702,542.36
  6. Step 6: Final answer
    x = 524,755.61

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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.