Home / 760,727.50-1,140,664.38-521,112.22

Finding the Fourth Proportional to 760,727.50, 1,140,664.38 and 521,112.22

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Solution

The fourth proportional to 760,727.50, 1,140,664.38 and 521,112.22 is: 781,375.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,727.50 : 1,140,664.38 = 521,112.22 : x
  2. Step 2: Convert to fraction form
    760,727.50/1,140,664.38 = 521,112.22/x
  3. Step 3: Cross multiply
    760,727.50x = 1,140,664.38 × 521,112.22
  4. Step 4: Simplify right side
    760,727.50x = 594,414,147,336.72
  5. Step 5: Solve for x
    x = 594,414,147,336.72/760,727.50
  6. Step 6: Final answer
    x = 781,375.92

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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.