Home / 911,525.68-1,257,918.60-503,636.95

Finding the Fourth Proportional to 911,525.68, 1,257,918.60 and 503,636.95

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Solution

The fourth proportional to 911,525.68, 1,257,918.60 and 503,636.95 is: 695,026.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,525.68 : 1,257,918.60 = 503,636.95 : x
  2. Step 2: Convert to fraction form
    911,525.68/1,257,918.60 = 503,636.95/x
  3. Step 3: Cross multiply
    911,525.68x = 1,257,918.60 × 503,636.95
  4. Step 4: Simplify right side
    911,525.68x = 633,534,287,052.27
  5. Step 5: Solve for x
    x = 633,534,287,052.27/911,525.68
  6. Step 6: Final answer
    x = 695,026.26

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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.