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Finding the Fourth Proportional to 634,550.74, 875,707.49 and 379,852.66

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Solution

The fourth proportional to 634,550.74, 875,707.49 and 379,852.66 is: 524,213.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,550.74 : 875,707.49 = 379,852.66 : x
  2. Step 2: Convert to fraction form
    634,550.74/875,707.49 = 379,852.66/x
  3. Step 3: Cross multiply
    634,550.74x = 875,707.49 × 379,852.66
  4. Step 4: Simplify right side
    634,550.74x = 332,639,819,458.42
  5. Step 5: Solve for x
    x = 332,639,819,458.42/634,550.74
  6. Step 6: Final answer
    x = 524,213.11

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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.