Home / 816,750.45-1,127,143-449,243.13

Finding the Fourth Proportional to 816,750.45, 1,127,143 and 449,243.13

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Solution

The fourth proportional to 816,750.45, 1,127,143 and 449,243.13 is: 619,970.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,750.45 : 1,127,143 = 449,243.13 : x
  2. Step 2: Convert to fraction form
    816,750.45/1,127,143 = 449,243.13/x
  3. Step 3: Cross multiply
    816,750.45x = 1,127,143 × 449,243.13
  4. Step 4: Simplify right side
    816,750.45x = 506,361,249,277.59
  5. Step 5: Solve for x
    x = 506,361,249,277.59/816,750.45
  6. Step 6: Final answer
    x = 619,970.58

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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.