Home / 761,019.81-1,141,540.88-361,701.33

Finding the Fourth Proportional to 761,019.81, 1,141,540.88 and 361,701.33

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Solution

The fourth proportional to 761,019.81, 1,141,540.88 and 361,701.33 is: 542,557.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,019.81 : 1,141,540.88 = 361,701.33 : x
  2. Step 2: Convert to fraction form
    761,019.81/1,141,540.88 = 361,701.33/x
  3. Step 3: Cross multiply
    761,019.81x = 1,141,540.88 × 361,701.33
  4. Step 4: Simplify right side
    761,019.81x = 412,896,852,736.86
  5. Step 5: Solve for x
    x = 412,896,852,736.86/761,019.81
  6. Step 6: Final answer
    x = 542,557.30

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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.