Home / 738,077.92-1,106,220.21-400,317.64

Finding the Fourth Proportional to 738,077.92, 1,106,220.21 and 400,317.64

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Solution

The fourth proportional to 738,077.92, 1,106,220.21 and 400,317.64 is: 599,990.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,077.92 : 1,106,220.21 = 400,317.64 : x
  2. Step 2: Convert to fraction form
    738,077.92/1,106,220.21 = 400,317.64/x
  3. Step 3: Cross multiply
    738,077.92x = 1,106,220.21 × 400,317.64
  4. Step 4: Simplify right side
    738,077.92x = 442,839,463,787.50
  5. Step 5: Solve for x
    x = 442,839,463,787.50/738,077.92
  6. Step 6: Final answer
    x = 599,990.13

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Double scale
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Similar ratio
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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.