Home / 535,065.08-738,395.87-305,652.72

Finding the Fourth Proportional to 535,065.08, 738,395.87 and 305,652.72

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Solution

The fourth proportional to 535,065.08, 738,395.87 and 305,652.72 is: 421,804.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,065.08 : 738,395.87 = 305,652.72 : x
  2. Step 2: Convert to fraction form
    535,065.08/738,395.87 = 305,652.72/x
  3. Step 3: Cross multiply
    535,065.08x = 738,395.87 × 305,652.72
  4. Step 4: Simplify right side
    535,065.08x = 225,692,707,342.99
  5. Step 5: Solve for x
    x = 225,692,707,342.99/535,065.08
  6. Step 6: Final answer
    x = 421,804.22

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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.