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Finding the Fourth Proportional to 523,266.35, 723,098.79 and 445,731.12

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Solution

The fourth proportional to 523,266.35, 723,098.79 and 445,731.12 is: 615,953.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,266.35 : 723,098.79 = 445,731.12 : x
  2. Step 2: Convert to fraction form
    523,266.35/723,098.79 = 445,731.12/x
  3. Step 3: Cross multiply
    523,266.35x = 723,098.79 × 445,731.12
  4. Step 4: Simplify right side
    523,266.35x = 322,307,633,537.35
  5. Step 5: Solve for x
    x = 322,307,633,537.35/523,266.35
  6. Step 6: Final answer
    x = 615,953.30

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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.