Home / 788,923.20-1,184,434.68-415,208.64

Finding the Fourth Proportional to 788,923.20, 1,184,434.68 and 415,208.64

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Solution

The fourth proportional to 788,923.20, 1,184,434.68 and 415,208.64 is: 623,365.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,923.20 : 1,184,434.68 = 415,208.64 : x
  2. Step 2: Convert to fraction form
    788,923.20/1,184,434.68 = 415,208.64/x
  3. Step 3: Cross multiply
    788,923.20x = 1,184,434.68 × 415,208.64
  4. Step 4: Simplify right side
    788,923.20x = 491,787,512,651.64
  5. Step 5: Solve for x
    x = 491,787,512,651.64/788,923.20
  6. Step 6: Final answer
    x = 623,365.51

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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.