Home / 437,931.28-604,508.92-340,942.96

Finding the Fourth Proportional to 437,931.28, 604,508.92 and 340,942.96

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Solution

The fourth proportional to 437,931.28, 604,508.92 and 340,942.96 is: 470,628.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,931.28 : 604,508.92 = 340,942.96 : x
  2. Step 2: Convert to fraction form
    437,931.28/604,508.92 = 340,942.96/x
  3. Step 3: Cross multiply
    437,931.28x = 604,508.92 × 340,942.96
  4. Step 4: Simplify right side
    437,931.28x = 206,103,060,531.20
  5. Step 5: Solve for x
    x = 206,103,060,531.20/437,931.28
  6. Step 6: Final answer
    x = 470,628.77

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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.