Home / 620,521.53-929,921.14-282,736.68

Finding the Fourth Proportional to 620,521.53, 929,921.14 and 282,736.68

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Solution

The fourth proportional to 620,521.53, 929,921.14 and 282,736.68 is: 423,712.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,521.53 : 929,921.14 = 282,736.68 : x
  2. Step 2: Convert to fraction form
    620,521.53/929,921.14 = 282,736.68/x
  3. Step 3: Cross multiply
    620,521.53x = 929,921.14 × 282,736.68
  4. Step 4: Simplify right side
    620,521.53x = 262,922,815,785.42
  5. Step 5: Solve for x
    x = 262,922,815,785.42/620,521.53
  6. Step 6: Final answer
    x = 423,712.64

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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.