Home / 885,320.40-1,327,980.60-353,223.30

Finding the Fourth Proportional to 885,320.40, 1,327,980.60 and 353,223.30

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Solution

The fourth proportional to 885,320.40, 1,327,980.60 and 353,223.30 is: 529,834.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,320.40 : 1,327,980.60 = 353,223.30 : x
  2. Step 2: Convert to fraction form
    885,320.40/1,327,980.60 = 353,223.30/x
  3. Step 3: Cross multiply
    885,320.40x = 1,327,980.60 × 353,223.30
  4. Step 4: Simplify right side
    885,320.40x = 469,073,689,867.98
  5. Step 5: Solve for x
    x = 469,073,689,867.98/885,320.40
  6. Step 6: Final answer
    x = 529,834.95

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Similar ratio
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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.