Home / 727,244.40-1,090,866.60-412,316.40

Finding the Fourth Proportional to 727,244.40, 1,090,866.60 and 412,316.40

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Solution

The fourth proportional to 727,244.40, 1,090,866.60 and 412,316.40 is: 618,474.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,244.40 : 1,090,866.60 = 412,316.40 : x
  2. Step 2: Convert to fraction form
    727,244.40/1,090,866.60 = 412,316.40/x
  3. Step 3: Cross multiply
    727,244.40x = 1,090,866.60 × 412,316.40
  4. Step 4: Simplify right side
    727,244.40x = 449,782,189,392.24
  5. Step 5: Solve for x
    x = 449,782,189,392.24/727,244.40
  6. Step 6: Final answer
    x = 618,474.60

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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.