Home / 760,701.78-1,141,242.21-228,232.62

Finding the Fourth Proportional to 760,701.78, 1,141,242.21 and 228,232.62

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Solution

The fourth proportional to 760,701.78, 1,141,242.21 and 228,232.62 is: 342,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,701.78 : 1,141,242.21 = 228,232.62 : x
  2. Step 2: Convert to fraction form
    760,701.78/1,141,242.21 = 228,232.62/x
  3. Step 3: Cross multiply
    760,701.78x = 1,141,242.21 × 228,232.62
  4. Step 4: Simplify right side
    760,701.78x = 260,468,699,642.89
  5. Step 5: Solve for x
    x = 260,468,699,642.89/760,701.78
  6. Step 6: Final answer
    x = 342,405.80

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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.