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Finding the Fourth Proportional to 594,575.81, 820,516.83 and 322,643.76

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Solution

The fourth proportional to 594,575.81, 820,516.83 and 322,643.76 is: 445,249.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,575.81 : 820,516.83 = 322,643.76 : x
  2. Step 2: Convert to fraction form
    594,575.81/820,516.83 = 322,643.76/x
  3. Step 3: Cross multiply
    594,575.81x = 820,516.83 × 322,643.76
  4. Step 4: Simplify right side
    594,575.81x = 264,734,637,667.98
  5. Step 5: Solve for x
    x = 264,734,637,667.98/594,575.81
  6. Step 6: Final answer
    x = 445,249.59

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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.