Home / 679,974.60-1,019,961.90-606,491.40

Finding the Fourth Proportional to 679,974.60, 1,019,961.90 and 606,491.40

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Solution

The fourth proportional to 679,974.60, 1,019,961.90 and 606,491.40 is: 909,737.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,974.60 : 1,019,961.90 = 606,491.40 : x
  2. Step 2: Convert to fraction form
    679,974.60/1,019,961.90 = 606,491.40/x
  3. Step 3: Cross multiply
    679,974.60x = 1,019,961.90 × 606,491.40
  4. Step 4: Simplify right side
    679,974.60x = 618,598,120,677.66
  5. Step 5: Solve for x
    x = 618,598,120,677.66/679,974.60
  6. Step 6: Final answer
    x = 909,737.10

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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.