Home / 933,013.80-1,399,520.70-302,380.20

Finding the Fourth Proportional to 933,013.80, 1,399,520.70 and 302,380.20

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Solution

The fourth proportional to 933,013.80, 1,399,520.70 and 302,380.20 is: 453,570.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,013.80 : 1,399,520.70 = 302,380.20 : x
  2. Step 2: Convert to fraction form
    933,013.80/1,399,520.70 = 302,380.20/x
  3. Step 3: Cross multiply
    933,013.80x = 1,399,520.70 × 302,380.20
  4. Step 4: Simplify right side
    933,013.80x = 423,187,349,170.14
  5. Step 5: Solve for x
    x = 423,187,349,170.14/933,013.80
  6. Step 6: Final answer
    x = 453,570.30

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Double scale
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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.