Home / 478,821.26-660,769.00-263,961.34

Finding the Fourth Proportional to 478,821.26, 660,769.00 and 263,961.34

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Solution

The fourth proportional to 478,821.26, 660,769.00 and 263,961.34 is: 364,264.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,821.26 : 660,769.00 = 263,961.34 : x
  2. Step 2: Convert to fraction form
    478,821.26/660,769.00 = 263,961.34/x
  3. Step 3: Cross multiply
    478,821.26x = 660,769.00 × 263,961.34
  4. Step 4: Simplify right side
    478,821.26x = 174,417,468,358.63
  5. Step 5: Solve for x
    x = 174,417,468,358.63/478,821.26
  6. Step 6: Final answer
    x = 364,264.25

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1.5x scale

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.