Home / 760,688.28-1,141,221.96-228,219.12

Finding the Fourth Proportional to 760,688.28, 1,141,221.96 and 228,219.12

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Solution

The fourth proportional to 760,688.28, 1,141,221.96 and 228,219.12 is: 342,385.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,688.28 : 1,141,221.96 = 228,219.12 : x
  2. Step 2: Convert to fraction form
    760,688.28/1,141,221.96 = 228,219.12/x
  3. Step 3: Cross multiply
    760,688.28x = 1,141,221.96 × 228,219.12
  4. Step 4: Simplify right side
    760,688.28x = 260,448,671,435.88
  5. Step 5: Solve for x
    x = 260,448,671,435.88/760,688.28
  6. Step 6: Final answer
    x = 342,385.55

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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.