Home / 680,969.55-1,021,454.33-607,486.35

Finding the Fourth Proportional to 680,969.55, 1,021,454.33 and 607,486.35

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Solution

The fourth proportional to 680,969.55, 1,021,454.33 and 607,486.35 is: 911,229.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,969.55 : 1,021,454.33 = 607,486.35 : x
  2. Step 2: Convert to fraction form
    680,969.55/1,021,454.33 = 607,486.35/x
  3. Step 3: Cross multiply
    680,969.55x = 1,021,454.33 × 607,486.35
  4. Step 4: Simplify right side
    680,969.55x = 620,519,559,585.96
  5. Step 5: Solve for x
    x = 620,519,559,585.96/680,969.55
  6. Step 6: Final answer
    x = 911,229.53

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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.