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Finding the Fourth Proportional to 595,021.77, 821,275.88 and 365,634.63

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Solution

The fourth proportional to 595,021.77, 821,275.88 and 365,634.63 is: 504,665.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,021.77 : 821,275.88 = 365,634.63 : x
  2. Step 2: Convert to fraction form
    595,021.77/821,275.88 = 365,634.63/x
  3. Step 3: Cross multiply
    595,021.77x = 821,275.88 × 365,634.63
  4. Step 4: Simplify right side
    595,021.77x = 300,286,900,683.55
  5. Step 5: Solve for x
    x = 300,286,900,683.55/595,021.77
  6. Step 6: Final answer
    x = 504,665.40

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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.