Home / 774,548.55-1,068,992.51-557,475.03

Finding the Fourth Proportional to 774,548.55, 1,068,992.51 and 557,475.03

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Solution

The fourth proportional to 774,548.55, 1,068,992.51 and 557,475.03 is: 769,398.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,548.55 : 1,068,992.51 = 557,475.03 : x
  2. Step 2: Convert to fraction form
    774,548.55/1,068,992.51 = 557,475.03/x
  3. Step 3: Cross multiply
    774,548.55x = 1,068,992.51 × 557,475.03
  4. Step 4: Simplify right side
    774,548.55x = 595,936,628,794.65
  5. Step 5: Solve for x
    x = 595,936,628,794.65/774,548.55
  6. Step 6: Final answer
    x = 769,398.68

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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.