Home / 841,536.29-1,262,315.59-280,570.97

Finding the Fourth Proportional to 841,536.29, 1,262,315.59 and 280,570.97

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Solution

The fourth proportional to 841,536.29, 1,262,315.59 and 280,570.97 is: 420,860.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,536.29 : 1,262,315.59 = 280,570.97 : x
  2. Step 2: Convert to fraction form
    841,536.29/1,262,315.59 = 280,570.97/x
  3. Step 3: Cross multiply
    841,536.29x = 1,262,315.59 × 280,570.97
  4. Step 4: Simplify right side
    841,536.29x = 354,169,109,532.42
  5. Step 5: Solve for x
    x = 354,169,109,532.42/841,536.29
  6. Step 6: Final answer
    x = 420,860.17

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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.