Home / 726,984.90-1,090,649.85-228,348.90

Finding the Fourth Proportional to 726,984.90, 1,090,649.85 and 228,348.90

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Solution

The fourth proportional to 726,984.90, 1,090,649.85 and 228,348.90 is: 342,577.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,984.90 : 1,090,649.85 = 228,348.90 : x
  2. Step 2: Convert to fraction form
    726,984.90/1,090,649.85 = 228,348.90/x
  3. Step 3: Cross multiply
    726,984.90x = 1,090,649.85 × 228,348.90
  4. Step 4: Simplify right side
    726,984.90x = 249,048,693,532.67
  5. Step 5: Solve for x
    x = 249,048,693,532.67/726,984.90
  6. Step 6: Final answer
    x = 342,577.53

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1.5x scale

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.