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Finding the Fourth Proportional to 571,331.80, 857,216.40 and 562,365.10

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Solution

The fourth proportional to 571,331.80, 857,216.40 and 562,365.10 is: 843,762.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,331.80 : 857,216.40 = 562,365.10 : x
  2. Step 2: Convert to fraction form
    571,331.80/857,216.40 = 562,365.10/x
  3. Step 3: Cross multiply
    571,331.80x = 857,216.40 × 562,365.10
  4. Step 4: Simplify right side
    571,331.80x = 482,068,586,507.64
  5. Step 5: Solve for x
    x = 482,068,586,507.64/571,331.80
  6. Step 6: Final answer
    x = 843,762.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.