Home / 727,129.14-1,090,916.46-372,392.34

Finding the Fourth Proportional to 727,129.14, 1,090,916.46 and 372,392.34

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Solution

The fourth proportional to 727,129.14, 1,090,916.46 and 372,392.34 is: 558,702.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,129.14 : 1,090,916.46 = 372,392.34 : x
  2. Step 2: Convert to fraction form
    727,129.14/1,090,916.46 = 372,392.34/x
  3. Step 3: Cross multiply
    727,129.14x = 1,090,916.46 × 372,392.34
  4. Step 4: Simplify right side
    727,129.14x = 406,248,933,283.92
  5. Step 5: Solve for x
    x = 406,248,933,283.92/727,129.14
  6. Step 6: Final answer
    x = 558,702.59

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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.