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Finding the Fourth Proportional to 880,852.92, 1,320,812.82 and 348,352.44

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Solution

The fourth proportional to 880,852.92, 1,320,812.82 and 348,352.44 is: 522,344.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,852.92 : 1,320,812.82 = 348,352.44 : x
  2. Step 2: Convert to fraction form
    880,852.92/1,320,812.82 = 348,352.44/x
  3. Step 3: Cross multiply
    880,852.92x = 1,320,812.82 × 348,352.44
  4. Step 4: Simplify right side
    880,852.92x = 460,108,368,630.28
  5. Step 5: Solve for x
    x = 460,108,368,630.28/880,852.92
  6. Step 6: Final answer
    x = 522,344.15

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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.