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Finding the Fourth Proportional to 594,742.13, 820,742.11 and 322,810.01

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Solution

The fourth proportional to 594,742.13, 820,742.11 and 322,810.01 is: 445,476.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,742.13 : 820,742.11 = 322,810.01 : x
  2. Step 2: Convert to fraction form
    594,742.13/820,742.11 = 322,810.01/x
  3. Step 3: Cross multiply
    594,742.13x = 820,742.11 × 322,810.01
  4. Step 4: Simplify right side
    594,742.13x = 264,943,763,825.79
  5. Step 5: Solve for x
    x = 264,943,763,825.79/594,742.13
  6. Step 6: Final answer
    x = 445,476.71

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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.