Home / 477,085.46-658,473.66-283,455.90

Finding the Fourth Proportional to 477,085.46, 658,473.66 and 283,455.90

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Solution

The fourth proportional to 477,085.46, 658,473.66 and 283,455.90 is: 391,226.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,085.46 : 658,473.66 = 283,455.90 : x
  2. Step 2: Convert to fraction form
    477,085.46/658,473.66 = 283,455.90/x
  3. Step 3: Cross multiply
    477,085.46x = 658,473.66 × 283,455.90
  4. Step 4: Simplify right side
    477,085.46x = 186,648,243,921.59
  5. Step 5: Solve for x
    x = 186,648,243,921.59/477,085.46
  6. Step 6: Final answer
    x = 391,226.02

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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.