Home / 503,041.22-694,295.50-288,325.20

Finding the Fourth Proportional to 503,041.22, 694,295.50 and 288,325.20

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Solution

The fourth proportional to 503,041.22, 694,295.50 and 288,325.20 is: 397,945.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,041.22 : 694,295.50 = 288,325.20 : x
  2. Step 2: Convert to fraction form
    503,041.22/694,295.50 = 288,325.20/x
  3. Step 3: Cross multiply
    503,041.22x = 694,295.50 × 288,325.20
  4. Step 4: Simplify right side
    503,041.22x = 200,182,888,896.60
  5. Step 5: Solve for x
    x = 200,182,888,896.60/503,041.22
  6. Step 6: Final answer
    x = 397,945.30

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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.