Home / 850,530.56-1,275,352.88-401,130.77

Finding the Fourth Proportional to 850,530.56, 1,275,352.88 and 401,130.77

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Solution

The fourth proportional to 850,530.56, 1,275,352.88 and 401,130.77 is: 601,487.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,530.56 : 1,275,352.88 = 401,130.77 : x
  2. Step 2: Convert to fraction form
    850,530.56/1,275,352.88 = 401,130.77/x
  3. Step 3: Cross multiply
    850,530.56x = 1,275,352.88 × 401,130.77
  4. Step 4: Simplify right side
    850,530.56x = 511,583,277,402.18
  5. Step 5: Solve for x
    x = 511,583,277,402.18/850,530.56
  6. Step 6: Final answer
    x = 601,487.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.