Home / 824,458.28-1,236,488.49-344,426.76

Finding the Fourth Proportional to 824,458.28, 1,236,488.49 and 344,426.76

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Solution

The fourth proportional to 824,458.28, 1,236,488.49 and 344,426.76 is: 516,557.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,458.28 : 1,236,488.49 = 344,426.76 : x
  2. Step 2: Convert to fraction form
    824,458.28/1,236,488.49 = 344,426.76/x
  3. Step 3: Cross multiply
    824,458.28x = 1,236,488.49 × 344,426.76
  4. Step 4: Simplify right side
    824,458.28x = 425,879,724,387.99
  5. Step 5: Solve for x
    x = 425,879,724,387.99/824,458.28
  6. Step 6: Final answer
    x = 516,557.04

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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.