Home / 430,432.38-593,926.83-239,440.86

Finding the Fourth Proportional to 430,432.38, 593,926.83 and 239,440.86

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Solution

The fourth proportional to 430,432.38, 593,926.83 and 239,440.86 is: 330,389.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,432.38 : 593,926.83 = 239,440.86 : x
  2. Step 2: Convert to fraction form
    430,432.38/593,926.83 = 239,440.86/x
  3. Step 3: Cross multiply
    430,432.38x = 593,926.83 × 239,440.86
  4. Step 4: Simplify right side
    430,432.38x = 142,210,350,952.27
  5. Step 5: Solve for x
    x = 142,210,350,952.27/430,432.38
  6. Step 6: Final answer
    x = 330,389.53

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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.