Home / 738,092.64-1,107,468.72-358,805.28

Finding the Fourth Proportional to 738,092.64, 1,107,468.72 and 358,805.28

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Solution

The fourth proportional to 738,092.64, 1,107,468.72 and 358,805.28 is: 538,368.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,092.64 : 1,107,468.72 = 358,805.28 : x
  2. Step 2: Convert to fraction form
    738,092.64/1,107,468.72 = 358,805.28/x
  3. Step 3: Cross multiply
    738,092.64x = 1,107,468.72 × 358,805.28
  4. Step 4: Simplify right side
    738,092.64x = 397,365,624,170.84
  5. Step 5: Solve for x
    x = 397,365,624,170.84/738,092.64
  6. Step 6: Final answer
    x = 538,368.22

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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.