Home / 1,302,842.40-1,954,263.60-356,308.80

Finding the Fourth Proportional to 1,302,842.40, 1,954,263.60 and 356,308.80

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Solution

The fourth proportional to 1,302,842.40, 1,954,263.60 and 356,308.80 is: 534,463.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,842.40 : 1,954,263.60 = 356,308.80 : x
  2. Step 2: Convert to fraction form
    1,302,842.40/1,954,263.60 = 356,308.80/x
  3. Step 3: Cross multiply
    1,302,842.40x = 1,954,263.60 × 356,308.80
  4. Step 4: Simplify right side
    1,302,842.40x = 696,321,318,199.68
  5. Step 5: Solve for x
    x = 696,321,318,199.68/1,302,842.40
  6. Step 6: Final answer
    x = 534,463.20

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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.