Home / 740,338.88-1,021,688.60-418,097.44

Finding the Fourth Proportional to 740,338.88, 1,021,688.60 and 418,097.44

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Solution

The fourth proportional to 740,338.88, 1,021,688.60 and 418,097.44 is: 576,986.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,338.88 : 1,021,688.60 = 418,097.44 : x
  2. Step 2: Convert to fraction form
    740,338.88/1,021,688.60 = 418,097.44/x
  3. Step 3: Cross multiply
    740,338.88x = 1,021,688.60 × 418,097.44
  4. Step 4: Simplify right side
    740,338.88x = 427,165,388,137.18
  5. Step 5: Solve for x
    x = 427,165,388,137.18/740,338.88
  6. Step 6: Final answer
    x = 576,986.30

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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.