Home / 522,478.46-721,028.18-293,086.60

Finding the Fourth Proportional to 522,478.46, 721,028.18 and 293,086.60

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Solution

The fourth proportional to 522,478.46, 721,028.18 and 293,086.60 is: 404,463.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,478.46 : 721,028.18 = 293,086.60 : x
  2. Step 2: Convert to fraction form
    522,478.46/721,028.18 = 293,086.60/x
  3. Step 3: Cross multiply
    522,478.46x = 721,028.18 × 293,086.60
  4. Step 4: Simplify right side
    522,478.46x = 211,323,697,780.39
  5. Step 5: Solve for x
    x = 211,323,697,780.39/522,478.46
  6. Step 6: Final answer
    x = 404,463.94

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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.