Home / 929,485.32-1,394,294.27-389,197.91

Finding the Fourth Proportional to 929,485.32, 1,394,294.27 and 389,197.91

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Solution

The fourth proportional to 929,485.32, 1,394,294.27 and 389,197.91 is: 583,824.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,485.32 : 1,394,294.27 = 389,197.91 : x
  2. Step 2: Convert to fraction form
    929,485.32/1,394,294.27 = 389,197.91/x
  3. Step 3: Cross multiply
    929,485.32x = 1,394,294.27 × 389,197.91
  4. Step 4: Simplify right side
    929,485.32x = 542,656,409,810.50
  5. Step 5: Solve for x
    x = 542,656,409,810.50/929,485.32
  6. Step 6: Final answer
    x = 583,824.62

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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.