Home / 438,504.28-604,631.46-323,948.68

Finding the Fourth Proportional to 438,504.28, 604,631.46 and 323,948.68

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Solution

The fourth proportional to 438,504.28, 604,631.46 and 323,948.68 is: 446,676.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,504.28 : 604,631.46 = 323,948.68 : x
  2. Step 2: Convert to fraction form
    438,504.28/604,631.46 = 323,948.68/x
  3. Step 3: Cross multiply
    438,504.28x = 604,631.46 × 323,948.68
  4. Step 4: Simplify right side
    438,504.28x = 195,869,563,353.47
  5. Step 5: Solve for x
    x = 195,869,563,353.47/438,504.28
  6. Step 6: Final answer
    x = 446,676.51

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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.