Home / 989,719.80-1,365,829.20-537,010.80

Finding the Fourth Proportional to 989,719.80, 1,365,829.20 and 537,010.80

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Solution

The fourth proportional to 989,719.80, 1,365,829.20 and 537,010.80 is: 741,083.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,719.80 : 1,365,829.20 = 537,010.80 : x
  2. Step 2: Convert to fraction form
    989,719.80/1,365,829.20 = 537,010.80/x
  3. Step 3: Cross multiply
    989,719.80x = 1,365,829.20 × 537,010.80
  4. Step 4: Simplify right side
    989,719.80x = 733,465,031,355.36
  5. Step 5: Solve for x
    x = 733,465,031,355.36/989,719.80
  6. Step 6: Final answer
    x = 741,083.52

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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.