Home / 760,523.05-1,140,781.47-191,905.48

Finding the Fourth Proportional to 760,523.05, 1,140,781.47 and 191,905.48

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Solution

The fourth proportional to 760,523.05, 1,140,781.47 and 191,905.48 is: 287,857.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,523.05 : 1,140,781.47 = 191,905.48 : x
  2. Step 2: Convert to fraction form
    760,523.05/1,140,781.47 = 191,905.48/x
  3. Step 3: Cross multiply
    760,523.05x = 1,140,781.47 × 191,905.48
  4. Step 4: Simplify right side
    760,523.05x = 218,922,215,575.46
  5. Step 5: Solve for x
    x = 218,922,215,575.46/760,523.05
  6. Step 6: Final answer
    x = 287,857.44

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1.5x scale

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.