Home / 620,827.06-931,043.75-265,745.74

Finding the Fourth Proportional to 620,827.06, 931,043.75 and 265,745.74

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Solution

The fourth proportional to 620,827.06, 931,043.75 and 265,745.74 is: 398,534.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,827.06 : 931,043.75 = 265,745.74 : x
  2. Step 2: Convert to fraction form
    620,827.06/931,043.75 = 265,745.74/x
  3. Step 3: Cross multiply
    620,827.06x = 931,043.75 × 265,745.74
  4. Step 4: Simplify right side
    620,827.06x = 247,420,906,325.27
  5. Step 5: Solve for x
    x = 247,420,906,325.27/620,827.06
  6. Step 6: Final answer
    x = 398,534.35

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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.