Home / 911,559.29-1,257,961.47-503,650.98

Finding the Fourth Proportional to 911,559.29, 1,257,961.47 and 503,650.98

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Solution

The fourth proportional to 911,559.29, 1,257,961.47 and 503,650.98 is: 695,043.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,559.29 : 1,257,961.47 = 503,650.98 : x
  2. Step 2: Convert to fraction form
    911,559.29/1,257,961.47 = 503,650.98/x
  3. Step 3: Cross multiply
    911,559.29x = 1,257,961.47 × 503,650.98
  4. Step 4: Simplify right side
    911,559.29x = 633,573,528,112.09
  5. Step 5: Solve for x
    x = 633,573,528,112.09/911,559.29
  6. Step 6: Final answer
    x = 695,043.69

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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.