Home / 729,712.84-1,006,737.78-427,848.52

Finding the Fourth Proportional to 729,712.84, 1,006,737.78 and 427,848.52

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Solution

The fourth proportional to 729,712.84, 1,006,737.78 and 427,848.52 is: 590,275.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,712.84 : 1,006,737.78 = 427,848.52 : x
  2. Step 2: Convert to fraction form
    729,712.84/1,006,737.78 = 427,848.52/x
  3. Step 3: Cross multiply
    729,712.84x = 1,006,737.78 × 427,848.52
  4. Step 4: Simplify right side
    729,712.84x = 430,731,269,201.09
  5. Step 5: Solve for x
    x = 430,731,269,201.09/729,712.84
  6. Step 6: Final answer
    x = 590,275.03

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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.