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Finding the Fourth Proportional to 610,763.46, 842,301.36 and 381,341.46

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Solution

The fourth proportional to 610,763.46, 842,301.36 and 381,341.46 is: 525,906.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,763.46 : 842,301.36 = 381,341.46 : x
  2. Step 2: Convert to fraction form
    610,763.46/842,301.36 = 381,341.46/x
  3. Step 3: Cross multiply
    610,763.46x = 842,301.36 × 381,341.46
  4. Step 4: Simplify right side
    610,763.46x = 321,204,430,382.39
  5. Step 5: Solve for x
    x = 321,204,430,382.39/610,763.46
  6. Step 6: Final answer
    x = 525,906.43

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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.