Home / 775,054.50-1,069,675.44-435,522.78

Finding the Fourth Proportional to 775,054.50, 1,069,675.44 and 435,522.78

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Solution

The fourth proportional to 775,054.50, 1,069,675.44 and 435,522.78 is: 601,077.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,054.50 : 1,069,675.44 = 435,522.78 : x
  2. Step 2: Convert to fraction form
    775,054.50/1,069,675.44 = 435,522.78/x
  3. Step 3: Cross multiply
    775,054.50x = 1,069,675.44 × 435,522.78
  4. Step 4: Simplify right side
    775,054.50x = 465,868,021,326.52
  5. Step 5: Solve for x
    x = 465,868,021,326.52/775,054.50
  6. Step 6: Final answer
    x = 601,077.76

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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.