Home / 742,103.34-1,113,201.15-268,792.80

Finding the Fourth Proportional to 742,103.34, 1,113,201.15 and 268,792.80

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Solution

The fourth proportional to 742,103.34, 1,113,201.15 and 268,792.80 is: 403,205.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,103.34 : 1,113,201.15 = 268,792.80 : x
  2. Step 2: Convert to fraction form
    742,103.34/1,113,201.15 = 268,792.80/x
  3. Step 3: Cross multiply
    742,103.34x = 1,113,201.15 × 268,792.80
  4. Step 4: Simplify right side
    742,103.34x = 299,220,454,071.72
  5. Step 5: Solve for x
    x = 299,220,454,071.72/742,103.34
  6. Step 6: Final answer
    x = 403,205.91

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1.5x scale

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.