Home / 949,721.28-1,424,570.04-381,354

Finding the Fourth Proportional to 949,721.28, 1,424,570.04 and 381,354

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Solution

The fourth proportional to 949,721.28, 1,424,570.04 and 381,354 is: 572,026.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,721.28 : 1,424,570.04 = 381,354 : x
  2. Step 2: Convert to fraction form
    949,721.28/1,424,570.04 = 381,354/x
  3. Step 3: Cross multiply
    949,721.28x = 1,424,570.04 × 381,354
  4. Step 4: Simplify right side
    949,721.28x = 543,265,483,034.16
  5. Step 5: Solve for x
    x = 543,265,483,034.16/949,721.28
  6. Step 6: Final answer
    x = 572,026.23

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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.