Home / 825,472.65-1,237,142.80-369,730.70

Finding the Fourth Proportional to 825,472.65, 1,237,142.80 and 369,730.70

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Solution

The fourth proportional to 825,472.65, 1,237,142.80 and 369,730.70 is: 554,118.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,472.65 : 1,237,142.80 = 369,730.70 : x
  2. Step 2: Convert to fraction form
    825,472.65/1,237,142.80 = 369,730.70/x
  3. Step 3: Cross multiply
    825,472.65x = 1,237,142.80 × 369,730.70
  4. Step 4: Simplify right side
    825,472.65x = 457,409,673,443.96
  5. Step 5: Solve for x
    x = 457,409,673,443.96/825,472.65
  6. Step 6: Final answer
    x = 554,118.51

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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.