Home / 469,905.83-648,452.70-255,041.28

Finding the Fourth Proportional to 469,905.83, 648,452.70 and 255,041.28

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Solution

The fourth proportional to 469,905.83, 648,452.70 and 255,041.28 is: 351,947.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,905.83 : 648,452.70 = 255,041.28 : x
  2. Step 2: Convert to fraction form
    469,905.83/648,452.70 = 255,041.28/x
  3. Step 3: Cross multiply
    469,905.83x = 648,452.70 × 255,041.28
  4. Step 4: Simplify right side
    469,905.83x = 165,382,206,627.46
  5. Step 5: Solve for x
    x = 165,382,206,627.46/469,905.83
  6. Step 6: Final answer
    x = 351,947.55

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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.