Home / 680,816.16-1,020,750.48-301,530.96

Finding the Fourth Proportional to 680,816.16, 1,020,750.48 and 301,530.96

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Solution

The fourth proportional to 680,816.16, 1,020,750.48 and 301,530.96 is: 452,086.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,816.16 : 1,020,750.48 = 301,530.96 : x
  2. Step 2: Convert to fraction form
    680,816.16/1,020,750.48 = 301,530.96/x
  3. Step 3: Cross multiply
    680,816.16x = 1,020,750.48 × 301,530.96
  4. Step 4: Simplify right side
    680,816.16x = 307,787,872,154.86
  5. Step 5: Solve for x
    x = 307,787,872,154.86/680,816.16
  6. Step 6: Final answer
    x = 452,086.61

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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.