Home / 438,106.67-604,493.38-329,327.34

Finding the Fourth Proportional to 438,106.67, 604,493.38 and 329,327.34

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Solution

The fourth proportional to 438,106.67, 604,493.38 and 329,327.34 is: 454,401.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,106.67 : 604,493.38 = 329,327.34 : x
  2. Step 2: Convert to fraction form
    438,106.67/604,493.38 = 329,327.34/x
  3. Step 3: Cross multiply
    438,106.67x = 604,493.38 × 329,327.34
  4. Step 4: Simplify right side
    438,106.67x = 199,076,199,086.22
  5. Step 5: Solve for x
    x = 199,076,199,086.22/438,106.67
  6. Step 6: Final answer
    x = 454,401.20

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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.