Home / 669,882.12-924,383.70-383,336.52

Finding the Fourth Proportional to 669,882.12, 924,383.70 and 383,336.52

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Solution

The fourth proportional to 669,882.12, 924,383.70 and 383,336.52 is: 528,973.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,882.12 : 924,383.70 = 383,336.52 : x
  2. Step 2: Convert to fraction form
    669,882.12/924,383.70 = 383,336.52/x
  3. Step 3: Cross multiply
    669,882.12x = 924,383.70 × 383,336.52
  4. Step 4: Simplify right side
    669,882.12x = 354,350,030,702.72
  5. Step 5: Solve for x
    x = 354,350,030,702.72/669,882.12
  6. Step 6: Final answer
    x = 528,973.71

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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.