Home / 680,592.16-1,020,592.36-207,166.60

Finding the Fourth Proportional to 680,592.16, 1,020,592.36 and 207,166.60

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Solution

The fourth proportional to 680,592.16, 1,020,592.36 and 207,166.60 is: 310,659.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,592.16 : 1,020,592.36 = 207,166.60 : x
  2. Step 2: Convert to fraction form
    680,592.16/1,020,592.36 = 207,166.60/x
  3. Step 3: Cross multiply
    680,592.16x = 1,020,592.36 × 207,166.60
  4. Step 4: Simplify right side
    680,592.16x = 211,432,649,207.18
  5. Step 5: Solve for x
    x = 211,432,649,207.18/680,592.16
  6. Step 6: Final answer
    x = 310,659.84

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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.