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Finding the Fourth Proportional to 700,837.97, 967,011.76 and 446,096.21

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Solution

The fourth proportional to 700,837.97, 967,011.76 and 446,096.21 is: 615,520.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,837.97 : 967,011.76 = 446,096.21 : x
  2. Step 2: Convert to fraction form
    700,837.97/967,011.76 = 446,096.21/x
  3. Step 3: Cross multiply
    700,837.97x = 967,011.76 × 446,096.21
  4. Step 4: Simplify right side
    700,837.97x = 431,380,281,161.43
  5. Step 5: Solve for x
    x = 431,380,281,161.43/700,837.97
  6. Step 6: Final answer
    x = 615,520.70

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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.