Home / 730,142.69-1,006,942.39-608,039.33

Finding the Fourth Proportional to 730,142.69, 1,006,942.39 and 608,039.33

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Solution

The fourth proportional to 730,142.69, 1,006,942.39 and 608,039.33 is: 838,549.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,142.69 : 1,006,942.39 = 608,039.33 : x
  2. Step 2: Convert to fraction form
    730,142.69/1,006,942.39 = 608,039.33/x
  3. Step 3: Cross multiply
    730,142.69x = 1,006,942.39 × 608,039.33
  4. Step 4: Simplify right side
    730,142.69x = 612,260,569,609.39
  5. Step 5: Solve for x
    x = 612,260,569,609.39/730,142.69
  6. Step 6: Final answer
    x = 838,549.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.