Home / 911,445.41-1,257,820.04-503,573.56

Finding the Fourth Proportional to 911,445.41, 1,257,820.04 and 503,573.56

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Solution

The fourth proportional to 911,445.41, 1,257,820.04 and 503,573.56 is: 694,945.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,445.41 : 1,257,820.04 = 503,573.56 : x
  2. Step 2: Convert to fraction form
    911,445.41/1,257,820.04 = 503,573.56/x
  3. Step 3: Cross multiply
    911,445.41x = 1,257,820.04 × 503,573.56
  4. Step 4: Simplify right side
    911,445.41x = 633,404,913,496.53
  5. Step 5: Solve for x
    x = 633,404,913,496.53/911,445.41
  6. Step 6: Final answer
    x = 694,945.53

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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.