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Finding the Fourth Proportional to 634,571.46, 875,583.54 and 376,399.76

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Solution

The fourth proportional to 634,571.46, 875,583.54 and 376,399.76 is: 519,357.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,571.46 : 875,583.54 = 376,399.76 : x
  2. Step 2: Convert to fraction form
    634,571.46/875,583.54 = 376,399.76/x
  3. Step 3: Cross multiply
    634,571.46x = 875,583.54 × 376,399.76
  4. Step 4: Simplify right side
    634,571.46x = 329,569,429,938.03
  5. Step 5: Solve for x
    x = 329,569,429,938.03/634,571.46
  6. Step 6: Final answer
    x = 519,357.47

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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.