Home / 740,806.66-1,111,209.71-208,327.66

Finding the Fourth Proportional to 740,806.66, 1,111,209.71 and 208,327.66

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Solution

The fourth proportional to 740,806.66, 1,111,209.71 and 208,327.66 is: 312,491.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,806.66 : 1,111,209.71 = 208,327.66 : x
  2. Step 2: Convert to fraction form
    740,806.66/1,111,209.71 = 208,327.66/x
  3. Step 3: Cross multiply
    740,806.66x = 1,111,209.71 × 208,327.66
  4. Step 4: Simplify right side
    740,806.66x = 231,495,721,084.47
  5. Step 5: Solve for x
    x = 231,495,721,084.47/740,806.66
  6. Step 6: Final answer
    x = 312,491.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.