Home / 696,420.05-1,044,863.75-269,969.78

Finding the Fourth Proportional to 696,420.05, 1,044,863.75 and 269,969.78

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Solution

The fourth proportional to 696,420.05, 1,044,863.75 and 269,969.78 is: 405,045.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,420.05 : 1,044,863.75 = 269,969.78 : x
  2. Step 2: Convert to fraction form
    696,420.05/1,044,863.75 = 269,969.78/x
  3. Step 3: Cross multiply
    696,420.05x = 1,044,863.75 × 269,969.78
  4. Step 4: Simplify right side
    696,420.05x = 282,081,634,127.20
  5. Step 5: Solve for x
    x = 282,081,634,127.20/696,420.05
  6. Step 6: Final answer
    x = 405,045.25

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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.