Home / 760,492.05-1,140,734.97-191,874.48

Finding the Fourth Proportional to 760,492.05, 1,140,734.97 and 191,874.48

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Solution

The fourth proportional to 760,492.05, 1,140,734.97 and 191,874.48 is: 287,810.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,492.05 : 1,140,734.97 = 191,874.48 : x
  2. Step 2: Convert to fraction form
    760,492.05/1,140,734.97 = 191,874.48/x
  3. Step 3: Cross multiply
    760,492.05x = 1,140,734.97 × 191,874.48
  4. Step 4: Simplify right side
    760,492.05x = 218,877,929,186.57
  5. Step 5: Solve for x
    x = 218,877,929,186.57/760,492.05
  6. Step 6: Final answer
    x = 287,810.94

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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.