Home / 775,360.38-1,161,853.44-521,701.32

Finding the Fourth Proportional to 775,360.38, 1,161,853.44 and 521,701.32

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Solution

The fourth proportional to 775,360.38, 1,161,853.44 and 521,701.32 is: 781,753.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,360.38 : 1,161,853.44 = 521,701.32 : x
  2. Step 2: Convert to fraction form
    775,360.38/1,161,853.44 = 521,701.32/x
  3. Step 3: Cross multiply
    775,360.38x = 1,161,853.44 × 521,701.32
  4. Step 4: Simplify right side
    775,360.38x = 606,140,473,294.54
  5. Step 5: Solve for x
    x = 606,140,473,294.54/775,360.38
  6. Step 6: Final answer
    x = 781,753.22

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Double scale
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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.