Home / 833,243.71-1,249,930.37-272,334.91

Finding the Fourth Proportional to 833,243.71, 1,249,930.37 and 272,334.91

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Solution

The fourth proportional to 833,243.71, 1,249,930.37 and 272,334.91 is: 408,523.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,243.71 : 1,249,930.37 = 272,334.91 : x
  2. Step 2: Convert to fraction form
    833,243.71/1,249,930.37 = 272,334.91/x
  3. Step 3: Cross multiply
    833,243.71x = 1,249,930.37 × 272,334.91
  4. Step 4: Simplify right side
    833,243.71x = 340,399,676,042.21
  5. Step 5: Solve for x
    x = 340,399,676,042.21/833,243.71
  6. Step 6: Final answer
    x = 408,523.55

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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.