Home / 927,876.33-1,280,408.72-545,829.30

Finding the Fourth Proportional to 927,876.33, 1,280,408.72 and 545,829.30

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Solution

The fourth proportional to 927,876.33, 1,280,408.72 and 545,829.30 is: 753,208.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,876.33 : 1,280,408.72 = 545,829.30 : x
  2. Step 2: Convert to fraction form
    927,876.33/1,280,408.72 = 545,829.30/x
  3. Step 3: Cross multiply
    927,876.33x = 1,280,408.72 × 545,829.30
  4. Step 4: Simplify right side
    927,876.33x = 698,884,592,622.35
  5. Step 5: Solve for x
    x = 698,884,592,622.35/927,876.33
  6. Step 6: Final answer
    x = 753,208.77

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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.