Home / 774,554.55-1,069,000.80-557,481.03

Finding the Fourth Proportional to 774,554.55, 1,069,000.80 and 557,481.03

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Solution

The fourth proportional to 774,554.55, 1,069,000.80 and 557,481.03 is: 769,406.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,554.55 : 1,069,000.80 = 557,481.03 : x
  2. Step 2: Convert to fraction form
    774,554.55/1,069,000.80 = 557,481.03/x
  3. Step 3: Cross multiply
    774,554.55x = 1,069,000.80 × 557,481.03
  4. Step 4: Simplify right side
    774,554.55x = 595,947,667,054.82
  5. Step 5: Solve for x
    x = 595,947,667,054.82/774,554.55
  6. Step 6: Final answer
    x = 769,406.97

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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.