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Finding the Fourth Proportional to 506,954.53, 699,597.87 and 315,967.75

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Solution

The fourth proportional to 506,954.53, 699,597.87 and 315,967.75 is: 436,035.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,954.53 : 699,597.87 = 315,967.75 : x
  2. Step 2: Convert to fraction form
    506,954.53/699,597.87 = 315,967.75/x
  3. Step 3: Cross multiply
    506,954.53x = 699,597.87 × 315,967.75
  4. Step 4: Simplify right side
    506,954.53x = 221,050,364,888.69
  5. Step 5: Solve for x
    x = 221,050,364,888.69/506,954.53
  6. Step 6: Final answer
    x = 436,035.88

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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.