Home / 740,963.96-1,022,697.96-418,860.98

Finding the Fourth Proportional to 740,963.96, 1,022,697.96 and 418,860.98

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Solution

The fourth proportional to 740,963.96, 1,022,697.96 and 418,860.98 is: 578,122.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,963.96 : 1,022,697.96 = 418,860.98 : x
  2. Step 2: Convert to fraction form
    740,963.96/1,022,697.96 = 418,860.98/x
  3. Step 3: Cross multiply
    740,963.96x = 1,022,697.96 × 418,860.98
  4. Step 4: Simplify right side
    740,963.96x = 428,368,269,769.60
  5. Step 5: Solve for x
    x = 428,368,269,769.60/740,963.96
  6. Step 6: Final answer
    x = 578,122.95

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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.