Home / 680,980.50-1,021,093.29-315,843.84

Finding the Fourth Proportional to 680,980.50, 1,021,093.29 and 315,843.84

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Solution

The fourth proportional to 680,980.50, 1,021,093.29 and 315,843.84 is: 473,590.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,980.50 : 1,021,093.29 = 315,843.84 : x
  2. Step 2: Convert to fraction form
    680,980.50/1,021,093.29 = 315,843.84/x
  3. Step 3: Cross multiply
    680,980.50x = 1,021,093.29 × 315,843.84
  4. Step 4: Simplify right side
    680,980.50x = 322,506,025,711.83
  5. Step 5: Solve for x
    x = 322,506,025,711.83/680,980.50
  6. Step 6: Final answer
    x = 473,590.69

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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.