Home / 478,724.24-718,314.52-298,760.80

Finding the Fourth Proportional to 478,724.24, 718,314.52 and 298,760.80

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Solution

The fourth proportional to 478,724.24, 718,314.52 and 298,760.80 is: 448,283.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,724.24 : 718,314.52 = 298,760.80 : x
  2. Step 2: Convert to fraction form
    478,724.24/718,314.52 = 298,760.80/x
  3. Step 3: Cross multiply
    478,724.24x = 718,314.52 × 298,760.80
  4. Step 4: Simplify right side
    478,724.24x = 214,604,220,646.82
  5. Step 5: Solve for x
    x = 214,604,220,646.82/478,724.24
  6. Step 6: Final answer
    x = 448,283.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.