Home / 553,625.18-764,002.80-298,976.37

Finding the Fourth Proportional to 553,625.18, 764,002.80 and 298,976.37

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Solution

The fourth proportional to 553,625.18, 764,002.80 and 298,976.37 is: 412,587.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,625.18 : 764,002.80 = 298,976.37 : x
  2. Step 2: Convert to fraction form
    553,625.18/764,002.80 = 298,976.37/x
  3. Step 3: Cross multiply
    553,625.18x = 764,002.80 × 298,976.37
  4. Step 4: Simplify right side
    553,625.18x = 228,418,780,948.83
  5. Step 5: Solve for x
    x = 228,418,780,948.83/553,625.18
  6. Step 6: Final answer
    x = 412,587.41

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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.