Home / 620,719.28-931,060.44-171,467.08

Finding the Fourth Proportional to 620,719.28, 931,060.44 and 171,467.08

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Solution

The fourth proportional to 620,719.28, 931,060.44 and 171,467.08 is: 257,195.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,719.28 : 931,060.44 = 171,467.08 : x
  2. Step 2: Convert to fraction form
    620,719.28/931,060.44 = 171,467.08/x
  3. Step 3: Cross multiply
    620,719.28x = 931,060.44 × 171,467.08
  4. Step 4: Simplify right side
    620,719.28x = 159,646,214,950.32
  5. Step 5: Solve for x
    x = 159,646,214,950.32/620,719.28
  6. Step 6: Final answer
    x = 257,195.52

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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.