Home / 667,293.13-920,827.32-376,964.26

Finding the Fourth Proportional to 667,293.13, 920,827.32 and 376,964.26

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Solution

The fourth proportional to 667,293.13, 920,827.32 and 376,964.26 is: 520,189.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,293.13 : 920,827.32 = 376,964.26 : x
  2. Step 2: Convert to fraction form
    667,293.13/920,827.32 = 376,964.26/x
  3. Step 3: Cross multiply
    667,293.13x = 920,827.32 × 376,964.26
  4. Step 4: Simplify right side
    667,293.13x = 347,118,984,667.45
  5. Step 5: Solve for x
    x = 347,118,984,667.45/667,293.13
  6. Step 6: Final answer
    x = 520,189.66

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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.