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Finding the Fourth Proportional to 671,656.60, 926,884.65 and 365,728.24

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Solution

The fourth proportional to 671,656.60, 926,884.65 and 365,728.24 is: 504,704.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,656.60 : 926,884.65 = 365,728.24 : x
  2. Step 2: Convert to fraction form
    671,656.60/926,884.65 = 365,728.24/x
  3. Step 3: Cross multiply
    671,656.60x = 926,884.65 × 365,728.24
  4. Step 4: Simplify right side
    671,656.60x = 338,987,891,727.52
  5. Step 5: Solve for x
    x = 338,987,891,727.52/671,656.60
  6. Step 6: Final answer
    x = 504,704.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.