Home / 478,824.76-660,782.64-263,972.53

Finding the Fourth Proportional to 478,824.76, 660,782.64 and 263,972.53

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Solution

The fourth proportional to 478,824.76, 660,782.64 and 263,972.53 is: 364,284.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,824.76 : 660,782.64 = 263,972.53 : x
  2. Step 2: Convert to fraction form
    478,824.76/660,782.64 = 263,972.53/x
  3. Step 3: Cross multiply
    478,824.76x = 660,782.64 × 263,972.53
  4. Step 4: Simplify right side
    478,824.76x = 174,428,465,260.88
  5. Step 5: Solve for x
    x = 174,428,465,260.88/478,824.76
  6. Step 6: Final answer
    x = 364,284.56

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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.