Home / 407,186.90-610,979.07-288,009.58

Finding the Fourth Proportional to 407,186.90, 610,979.07 and 288,009.58

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Solution

The fourth proportional to 407,186.90, 610,979.07 and 288,009.58 is: 432,154.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,186.90 : 610,979.07 = 288,009.58 : x
  2. Step 2: Convert to fraction form
    407,186.90/610,979.07 = 288,009.58/x
  3. Step 3: Cross multiply
    407,186.90x = 610,979.07 × 288,009.58
  4. Step 4: Simplify right side
    407,186.90x = 175,967,822,284.60
  5. Step 5: Solve for x
    x = 175,967,822,284.60/407,186.90
  6. Step 6: Final answer
    x = 432,154.92

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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.