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Finding the Fourth Proportional to 486,523.55, 671,354.91 and 333,692.34

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Solution

The fourth proportional to 486,523.55, 671,354.91 and 333,692.34 is: 460,462.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,523.55 : 671,354.91 = 333,692.34 : x
  2. Step 2: Convert to fraction form
    486,523.55/671,354.91 = 333,692.34/x
  3. Step 3: Cross multiply
    486,523.55x = 671,354.91 × 333,692.34
  4. Step 4: Simplify right side
    486,523.55x = 224,025,990,888.39
  5. Step 5: Solve for x
    x = 224,025,990,888.39/486,523.55
  6. Step 6: Final answer
    x = 460,462.79

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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.