Home / 760,892.78-1,141,528.71-228,423.62

Finding the Fourth Proportional to 760,892.78, 1,141,528.71 and 228,423.62

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Solution

The fourth proportional to 760,892.78, 1,141,528.71 and 228,423.62 is: 342,692.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,892.78 : 1,141,528.71 = 228,423.62 : x
  2. Step 2: Convert to fraction form
    760,892.78/1,141,528.71 = 228,423.62/x
  3. Step 3: Cross multiply
    760,892.78x = 1,141,528.71 × 228,423.62
  4. Step 4: Simplify right side
    760,892.78x = 260,752,120,272.13
  5. Step 5: Solve for x
    x = 260,752,120,272.13/760,892.78
  6. Step 6: Final answer
    x = 342,692.33

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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.