Home / 740,293.29-1,110,792.87-403,326.45

Finding the Fourth Proportional to 740,293.29, 1,110,792.87 and 403,326.45

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Solution

The fourth proportional to 740,293.29, 1,110,792.87 and 403,326.45 is: 605,181.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,293.29 : 1,110,792.87 = 403,326.45 : x
  2. Step 2: Convert to fraction form
    740,293.29/1,110,792.87 = 403,326.45/x
  3. Step 3: Cross multiply
    740,293.29x = 1,110,792.87 × 403,326.45
  4. Step 4: Simplify right side
    740,293.29x = 448,012,144,942.41
  5. Step 5: Solve for x
    x = 448,012,144,942.41/740,293.29
  6. Step 6: Final answer
    x = 605,181.96

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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.