Home / 679,371.66-1,019,224.50-337,976.28

Finding the Fourth Proportional to 679,371.66, 1,019,224.50 and 337,976.28

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Solution

The fourth proportional to 679,371.66, 1,019,224.50 and 337,976.28 is: 507,047.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,371.66 : 1,019,224.50 = 337,976.28 : x
  2. Step 2: Convert to fraction form
    679,371.66/1,019,224.50 = 337,976.28/x
  3. Step 3: Cross multiply
    679,371.66x = 1,019,224.50 × 337,976.28
  4. Step 4: Simplify right side
    679,371.66x = 344,473,704,994.86
  5. Step 5: Solve for x
    x = 344,473,704,994.86/679,371.66
  6. Step 6: Final answer
    x = 507,047.50

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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.