Home / 726,983.40-1,090,647.60-228,347.40

Finding the Fourth Proportional to 726,983.40, 1,090,647.60 and 228,347.40

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Solution

The fourth proportional to 726,983.40, 1,090,647.60 and 228,347.40 is: 342,575.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,983.40 : 1,090,647.60 = 228,347.40 : x
  2. Step 2: Convert to fraction form
    726,983.40/1,090,647.60 = 228,347.40/x
  3. Step 3: Cross multiply
    726,983.40x = 1,090,647.60 × 228,347.40
  4. Step 4: Simplify right side
    726,983.40x = 249,046,543,776.24
  5. Step 5: Solve for x
    x = 249,046,543,776.24/726,983.40
  6. Step 6: Final answer
    x = 342,575.28

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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.