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Finding the Fourth Proportional to 624,322.24, 861,570.85 and 337,848.48

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Solution

The fourth proportional to 624,322.24, 861,570.85 and 337,848.48 is: 466,234.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,322.24 : 861,570.85 = 337,848.48 : x
  2. Step 2: Convert to fraction form
    624,322.24/861,570.85 = 337,848.48/x
  3. Step 3: Cross multiply
    624,322.24x = 861,570.85 × 337,848.48
  4. Step 4: Simplify right side
    624,322.24x = 291,080,400,606.72
  5. Step 5: Solve for x
    x = 291,080,400,606.72/624,322.24
  6. Step 6: Final answer
    x = 466,234.23

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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.