Home / 729,528.06-1,006,571.43-427,663.74

Finding the Fourth Proportional to 729,528.06, 1,006,571.43 and 427,663.74

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Solution

The fourth proportional to 729,528.06, 1,006,571.43 and 427,663.74 is: 590,072.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,528.06 : 1,006,571.43 = 427,663.74 : x
  2. Step 2: Convert to fraction form
    729,528.06/1,006,571.43 = 427,663.74/x
  3. Step 3: Cross multiply
    729,528.06x = 1,006,571.43 × 427,663.74
  4. Step 4: Simplify right side
    729,528.06x = 430,474,102,330.95
  5. Step 5: Solve for x
    x = 430,474,102,330.95/729,528.06
  6. Step 6: Final answer
    x = 590,072.03

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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.