Home / 760,891.30-1,141,757.03-424,121.58

Finding the Fourth Proportional to 760,891.30, 1,141,757.03 and 424,121.58

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Solution

The fourth proportional to 760,891.30, 1,141,757.03 and 424,121.58 is: 636,416.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,891.30 : 1,141,757.03 = 424,121.58 : x
  2. Step 2: Convert to fraction form
    760,891.30/1,141,757.03 = 424,121.58/x
  3. Step 3: Cross multiply
    760,891.30x = 1,141,757.03 × 424,121.58
  4. Step 4: Simplify right side
    760,891.30x = 484,243,796,600.01
  5. Step 5: Solve for x
    x = 484,243,796,600.01/760,891.30
  6. Step 6: Final answer
    x = 636,416.53

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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.