Home / 774,440.38-1,068,297.42-719,640.24

Finding the Fourth Proportional to 774,440.38, 1,068,297.42 and 719,640.24

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Solution

The fourth proportional to 774,440.38, 1,068,297.42 and 719,640.24 is: 992,703.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,440.38 : 1,068,297.42 = 719,640.24 : x
  2. Step 2: Convert to fraction form
    774,440.38/1,068,297.42 = 719,640.24/x
  3. Step 3: Cross multiply
    774,440.38x = 1,068,297.42 × 719,640.24
  4. Step 4: Simplify right side
    774,440.38x = 768,789,811,720.18
  5. Step 5: Solve for x
    x = 768,789,811,720.18/774,440.38
  6. Step 6: Final answer
    x = 992,703.68

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.