Home / 727,173.68-1,090,810.38-247,206.20

Finding the Fourth Proportional to 727,173.68, 1,090,810.38 and 247,206.20

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Solution

The fourth proportional to 727,173.68, 1,090,810.38 and 247,206.20 is: 370,826.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,173.68 : 1,090,810.38 = 247,206.20 : x
  2. Step 2: Convert to fraction form
    727,173.68/1,090,810.38 = 247,206.20/x
  3. Step 3: Cross multiply
    727,173.68x = 1,090,810.38 × 247,206.20
  4. Step 4: Simplify right side
    727,173.68x = 269,655,088,960.36
  5. Step 5: Solve for x
    x = 269,655,088,960.36/727,173.68
  6. Step 6: Final answer
    x = 370,826.25

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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.