Home / 847,378.56-1,271,111.56-216,297.84

Finding the Fourth Proportional to 847,378.56, 1,271,111.56 and 216,297.84

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Solution

The fourth proportional to 847,378.56, 1,271,111.56 and 216,297.84 is: 324,457.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,378.56 : 1,271,111.56 = 216,297.84 : x
  2. Step 2: Convert to fraction form
    847,378.56/1,271,111.56 = 216,297.84/x
  3. Step 3: Cross multiply
    847,378.56x = 1,271,111.56 × 216,297.84
  4. Step 4: Simplify right side
    847,378.56x = 274,938,684,827.03
  5. Step 5: Solve for x
    x = 274,938,684,827.03/847,378.56
  6. Step 6: Final answer
    x = 324,457.92

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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.