Home / 469,795.80-648,319.90-254,935.86

Finding the Fourth Proportional to 469,795.80, 648,319.90 and 254,935.86

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Solution

The fourth proportional to 469,795.80, 648,319.90 and 254,935.86 is: 351,812.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,795.80 : 648,319.90 = 254,935.86 : x
  2. Step 2: Convert to fraction form
    469,795.80/648,319.90 = 254,935.86/x
  3. Step 3: Cross multiply
    469,795.80x = 648,319.90 × 254,935.86
  4. Step 4: Simplify right side
    469,795.80x = 165,279,988,671.08
  5. Step 5: Solve for x
    x = 165,279,988,671.08/469,795.80
  6. Step 6: Final answer
    x = 351,812.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.