Home / 788,922.20-1,184,433.18-415,207.64

Finding the Fourth Proportional to 788,922.20, 1,184,433.18 and 415,207.64

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Solution

The fourth proportional to 788,922.20, 1,184,433.18 and 415,207.64 is: 623,364.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,922.20 : 1,184,433.18 = 415,207.64 : x
  2. Step 2: Convert to fraction form
    788,922.20/1,184,433.18 = 415,207.64/x
  3. Step 3: Cross multiply
    788,922.20x = 1,184,433.18 × 415,207.64
  4. Step 4: Simplify right side
    788,922.20x = 491,785,705,405.50
  5. Step 5: Solve for x
    x = 491,785,705,405.50/788,922.20
  6. Step 6: Final answer
    x = 623,364.01

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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.