Home / 807,040.78-1,113,673.05-444,393.86

Finding the Fourth Proportional to 807,040.78, 1,113,673.05 and 444,393.86

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Solution

The fourth proportional to 807,040.78, 1,113,673.05 and 444,393.86 is: 613,239.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,040.78 : 1,113,673.05 = 444,393.86 : x
  2. Step 2: Convert to fraction form
    807,040.78/1,113,673.05 = 444,393.86/x
  3. Step 3: Cross multiply
    807,040.78x = 1,113,673.05 × 444,393.86
  4. Step 4: Simplify right side
    807,040.78x = 494,909,459,899.11
  5. Step 5: Solve for x
    x = 494,909,459,899.11/807,040.78
  6. Step 6: Final answer
    x = 613,239.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.