Home / 933,540.80-1,400,311.20-302,518.40

Finding the Fourth Proportional to 933,540.80, 1,400,311.20 and 302,518.40

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Solution

The fourth proportional to 933,540.80, 1,400,311.20 and 302,518.40 is: 453,777.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,540.80 : 1,400,311.20 = 302,518.40 : x
  2. Step 2: Convert to fraction form
    933,540.80/1,400,311.20 = 302,518.40/x
  3. Step 3: Cross multiply
    933,540.80x = 1,400,311.20 × 302,518.40
  4. Step 4: Simplify right side
    933,540.80x = 423,619,903,726.08
  5. Step 5: Solve for x
    x = 423,619,903,726.08/933,540.80
  6. Step 6: Final answer
    x = 453,777.60

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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.