Home / 793,558.20-1,190,337.30-420,310.20

Finding the Fourth Proportional to 793,558.20, 1,190,337.30 and 420,310.20

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Solution

The fourth proportional to 793,558.20, 1,190,337.30 and 420,310.20 is: 630,465.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,558.20 : 1,190,337.30 = 420,310.20 : x
  2. Step 2: Convert to fraction form
    793,558.20/1,190,337.30 = 420,310.20/x
  3. Step 3: Cross multiply
    793,558.20x = 1,190,337.30 × 420,310.20
  4. Step 4: Simplify right side
    793,558.20x = 500,310,908,630.46
  5. Step 5: Solve for x
    x = 500,310,908,630.46/793,558.20
  6. Step 6: Final answer
    x = 630,465.30

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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.