Home / 890,110.40-1,335,165.60-329,028.80

Finding the Fourth Proportional to 890,110.40, 1,335,165.60 and 329,028.80

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Solution

The fourth proportional to 890,110.40, 1,335,165.60 and 329,028.80 is: 493,543.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,110.40 : 1,335,165.60 = 329,028.80 : x
  2. Step 2: Convert to fraction form
    890,110.40/1,335,165.60 = 329,028.80/x
  3. Step 3: Cross multiply
    890,110.40x = 1,335,165.60 × 329,028.80
  4. Step 4: Simplify right side
    890,110.40x = 439,307,935,169.28
  5. Step 5: Solve for x
    x = 439,307,935,169.28/890,110.40
  6. Step 6: Final answer
    x = 493,543.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.