Home / 698,876.10-1,048,314.15-446,933.70

Finding the Fourth Proportional to 698,876.10, 1,048,314.15 and 446,933.70

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Solution

The fourth proportional to 698,876.10, 1,048,314.15 and 446,933.70 is: 670,400.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,876.10 : 1,048,314.15 = 446,933.70 : x
  2. Step 2: Convert to fraction form
    698,876.10/1,048,314.15 = 446,933.70/x
  3. Step 3: Cross multiply
    698,876.10x = 1,048,314.15 × 446,933.70
  4. Step 4: Simplify right side
    698,876.10x = 468,526,921,821.86
  5. Step 5: Solve for x
    x = 468,526,921,821.86/698,876.10
  6. Step 6: Final answer
    x = 670,400.55

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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.