Home / 808,124.51-1,212,192.81-358,724.57

Finding the Fourth Proportional to 808,124.51, 1,212,192.81 and 358,724.57

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Solution

The fourth proportional to 808,124.51, 1,212,192.81 and 358,724.57 is: 538,089.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,124.51 : 1,212,192.81 = 358,724.57 : x
  2. Step 2: Convert to fraction form
    808,124.51/1,212,192.81 = 358,724.57/x
  3. Step 3: Cross multiply
    808,124.51x = 1,212,192.81 × 358,724.57
  4. Step 4: Simplify right side
    808,124.51x = 434,843,338,463.38
  5. Step 5: Solve for x
    x = 434,843,338,463.38/808,124.51
  6. Step 6: Final answer
    x = 538,089.53

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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.