Home / 738,079.92-1,106,223.21-400,319.64

Finding the Fourth Proportional to 738,079.92, 1,106,223.21 and 400,319.64

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Solution

The fourth proportional to 738,079.92, 1,106,223.21 and 400,319.64 is: 599,993.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,079.92 : 1,106,223.21 = 400,319.64 : x
  2. Step 2: Convert to fraction form
    738,079.92/1,106,223.21 = 400,319.64/x
  3. Step 3: Cross multiply
    738,079.92x = 1,106,223.21 × 400,319.64
  4. Step 4: Simplify right side
    738,079.92x = 442,842,877,186.84
  5. Step 5: Solve for x
    x = 442,842,877,186.84/738,079.92
  6. Step 6: Final answer
    x = 599,993.12

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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.