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Finding the Fourth Proportional to 594,666.36, 820,639.98 and 322,734.20

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Solution

The fourth proportional to 594,666.36, 820,639.98 and 322,734.20 is: 445,373.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,666.36 : 820,639.98 = 322,734.20 : x
  2. Step 2: Convert to fraction form
    594,666.36/820,639.98 = 322,734.20/x
  3. Step 3: Cross multiply
    594,666.36x = 820,639.98 × 322,734.20
  4. Step 4: Simplify right side
    594,666.36x = 264,848,587,433.32
  5. Step 5: Solve for x
    x = 264,848,587,433.32/594,666.36
  6. Step 6: Final answer
    x = 445,373.41

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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.