Home / 591,213.34-815,875.50-322,941.34

Finding the Fourth Proportional to 591,213.34, 815,875.50 and 322,941.34

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Solution

The fourth proportional to 591,213.34, 815,875.50 and 322,941.34 is: 445,659.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,213.34 : 815,875.50 = 322,941.34 : x
  2. Step 2: Convert to fraction form
    591,213.34/815,875.50 = 322,941.34/x
  3. Step 3: Cross multiply
    591,213.34x = 815,875.50 × 322,941.34
  4. Step 4: Simplify right side
    591,213.34x = 263,479,927,243.17
  5. Step 5: Solve for x
    x = 263,479,927,243.17/591,213.34
  6. Step 6: Final answer
    x = 445,659.65

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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.