Home / 824,405.20-1,236,681.60-225,369.48

Finding the Fourth Proportional to 824,405.20, 1,236,681.60 and 225,369.48

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Solution

The fourth proportional to 824,405.20, 1,236,681.60 and 225,369.48 is: 338,074.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,405.20 : 1,236,681.60 = 225,369.48 : x
  2. Step 2: Convert to fraction form
    824,405.20/1,236,681.60 = 225,369.48/x
  3. Step 3: Cross multiply
    824,405.20x = 1,236,681.60 × 225,369.48
  4. Step 4: Simplify right side
    824,405.20x = 278,710,289,117.57
  5. Step 5: Solve for x
    x = 278,710,289,117.57/824,405.20
  6. Step 6: Final answer
    x = 338,074.39

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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.