Home / 761,022.41-1,050,208.30-438,730.97

Finding the Fourth Proportional to 761,022.41, 1,050,208.30 and 438,730.97

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Solution

The fourth proportional to 761,022.41, 1,050,208.30 and 438,730.97 is: 605,447.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,022.41 : 1,050,208.30 = 438,730.97 : x
  2. Step 2: Convert to fraction form
    761,022.41/1,050,208.30 = 438,730.97/x
  3. Step 3: Cross multiply
    761,022.41x = 1,050,208.30 × 438,730.97
  4. Step 4: Simplify right side
    761,022.41x = 460,758,906,161.05
  5. Step 5: Solve for x
    x = 460,758,906,161.05/761,022.41
  6. Step 6: Final answer
    x = 605,447.22

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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.