Home / 620,521.02-929,920.39-282,736.17

Finding the Fourth Proportional to 620,521.02, 929,920.39 and 282,736.17

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Solution

The fourth proportional to 620,521.02, 929,920.39 and 282,736.17 is: 423,711.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,521.02 : 929,920.39 = 282,736.17 : x
  2. Step 2: Convert to fraction form
    620,521.02/929,920.39 = 282,736.17/x
  3. Step 3: Cross multiply
    620,521.02x = 929,920.39 × 282,736.17
  4. Step 4: Simplify right side
    620,521.02x = 262,922,129,473.51
  5. Step 5: Solve for x
    x = 262,922,129,473.51/620,521.02
  6. Step 6: Final answer
    x = 423,711.88

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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.