Home / 669,832.12-924,314.70-383,286.52

Finding the Fourth Proportional to 669,832.12, 924,314.70 and 383,286.52

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Solution

The fourth proportional to 669,832.12, 924,314.70 and 383,286.52 is: 528,904.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,832.12 : 924,314.70 = 383,286.52 : x
  2. Step 2: Convert to fraction form
    669,832.12/924,314.70 = 383,286.52/x
  3. Step 3: Cross multiply
    669,832.12x = 924,314.70 × 383,286.52
  4. Step 4: Simplify right side
    669,832.12x = 354,277,364,747.84
  5. Step 5: Solve for x
    x = 354,277,364,747.84/669,832.12
  6. Step 6: Final answer
    x = 528,904.71

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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.