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Finding the Fourth Proportional to 594,622.61, 820,579.73 and 322,690.52

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Solution

The fourth proportional to 594,622.61, 820,579.73 and 322,690.52 is: 445,313.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,622.61 : 820,579.73 = 322,690.52 : x
  2. Step 2: Convert to fraction form
    594,622.61/820,579.73 = 322,690.52/x
  3. Step 3: Cross multiply
    594,622.61x = 820,579.73 × 322,690.52
  4. Step 4: Simplify right side
    594,622.61x = 264,793,294,058.81
  5. Step 5: Solve for x
    x = 264,793,294,058.81/594,622.61
  6. Step 6: Final answer
    x = 445,313.20

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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.