Home / 824,528.70-1,236,760.71-344,632.56

Finding the Fourth Proportional to 824,528.70, 1,236,760.71 and 344,632.56

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Solution

The fourth proportional to 824,528.70, 1,236,760.71 and 344,632.56 is: 516,935.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,528.70 : 1,236,760.71 = 344,632.56 : x
  2. Step 2: Convert to fraction form
    824,528.70/1,236,760.71 = 344,632.56/x
  3. Step 3: Cross multiply
    824,528.70x = 1,236,760.71 × 344,632.56
  4. Step 4: Simplify right side
    824,528.70x = 426,228,009,594.72
  5. Step 5: Solve for x
    x = 426,228,009,594.72/824,528.70
  6. Step 6: Final answer
    x = 516,935.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.