Home / 774,868.56-1,069,338.42-426,004.74

Finding the Fourth Proportional to 774,868.56, 1,069,338.42 and 426,004.74

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Solution

The fourth proportional to 774,868.56, 1,069,338.42 and 426,004.74 is: 587,897.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,868.56 : 1,069,338.42 = 426,004.74 : x
  2. Step 2: Convert to fraction form
    774,868.56/1,069,338.42 = 426,004.74/x
  3. Step 3: Cross multiply
    774,868.56x = 1,069,338.42 × 426,004.74
  4. Step 4: Simplify right side
    774,868.56x = 455,543,235,584.11
  5. Step 5: Solve for x
    x = 455,543,235,584.11/774,868.56
  6. Step 6: Final answer
    x = 587,897.43

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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.