Home / 911,270.44-1,257,548.18-503,400.28

Finding the Fourth Proportional to 911,270.44, 1,257,548.18 and 503,400.28

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Solution

The fourth proportional to 911,270.44, 1,257,548.18 and 503,400.28 is: 694,689.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,270.44 : 1,257,548.18 = 503,400.28 : x
  2. Step 2: Convert to fraction form
    911,270.44/1,257,548.18 = 503,400.28/x
  3. Step 3: Cross multiply
    911,270.44x = 1,257,548.18 × 503,400.28
  4. Step 4: Simplify right side
    911,270.44x = 633,050,105,925.49
  5. Step 5: Solve for x
    x = 633,050,105,925.49/911,270.44
  6. Step 6: Final answer
    x = 694,689.61

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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.