Home / 469,279.96-645,208.34-417,802.84

Finding the Fourth Proportional to 469,279.96, 645,208.34 and 417,802.84

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Solution

The fourth proportional to 469,279.96, 645,208.34 and 417,802.84 is: 574,432.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,279.96 : 645,208.34 = 417,802.84 : x
  2. Step 2: Convert to fraction form
    469,279.96/645,208.34 = 417,802.84/x
  3. Step 3: Cross multiply
    469,279.96x = 645,208.34 × 417,802.84
  4. Step 4: Simplify right side
    469,279.96x = 269,569,876,843.69
  5. Step 5: Solve for x
    x = 269,569,876,843.69/469,279.96
  6. Step 6: Final answer
    x = 574,432.96

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.