Home / 430,311.42-593,821.32-239,320.72

Finding the Fourth Proportional to 430,311.42, 593,821.32 and 239,320.72

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Solution

The fourth proportional to 430,311.42, 593,821.32 and 239,320.72 is: 330,257.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,311.42 : 593,821.32 = 239,320.72 : x
  2. Step 2: Convert to fraction form
    430,311.42/593,821.32 = 239,320.72/x
  3. Step 3: Cross multiply
    430,311.42x = 593,821.32 × 239,320.72
  4. Step 4: Simplify right side
    430,311.42x = 142,113,745,853.75
  5. Step 5: Solve for x
    x = 142,113,745,853.75/430,311.42
  6. Step 6: Final answer
    x = 330,257.90

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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.