Home / 762,801.80-1,143,473.70-282,901.10

Finding the Fourth Proportional to 762,801.80, 1,143,473.70 and 282,901.10

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Solution

The fourth proportional to 762,801.80, 1,143,473.70 and 282,901.10 is: 424,081.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,801.80 : 1,143,473.70 = 282,901.10 : x
  2. Step 2: Convert to fraction form
    762,801.80/1,143,473.70 = 282,901.10/x
  3. Step 3: Cross multiply
    762,801.80x = 1,143,473.70 × 282,901.10
  4. Step 4: Simplify right side
    762,801.80x = 323,489,967,551.07
  5. Step 5: Solve for x
    x = 323,489,967,551.07/762,801.80
  6. Step 6: Final answer
    x = 424,081.29

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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.