Home / 742,345.06-1,113,517.14-269,029.66

Finding the Fourth Proportional to 742,345.06, 1,113,517.14 and 269,029.66

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Solution

The fourth proportional to 742,345.06, 1,113,517.14 and 269,029.66 is: 403,544.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,345.06 : 1,113,517.14 = 269,029.66 : x
  2. Step 2: Convert to fraction form
    742,345.06/1,113,517.14 = 269,029.66/x
  3. Step 3: Cross multiply
    742,345.06x = 1,113,517.14 × 269,029.66
  4. Step 4: Simplify right side
    742,345.06x = 299,569,137,578.37
  5. Step 5: Solve for x
    x = 299,569,137,578.37/742,345.06
  6. Step 6: Final answer
    x = 403,544.33

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Double scale
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Similar ratio
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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.