Home / 825,471.65-1,237,141.30-369,729.70

Finding the Fourth Proportional to 825,471.65, 1,237,141.30 and 369,729.70

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Solution

The fourth proportional to 825,471.65, 1,237,141.30 and 369,729.70 is: 554,117.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,471.65 : 1,237,141.30 = 369,729.70 : x
  2. Step 2: Convert to fraction form
    825,471.65/1,237,141.30 = 369,729.70/x
  3. Step 3: Cross multiply
    825,471.65x = 1,237,141.30 × 369,729.70
  4. Step 4: Simplify right side
    825,471.65x = 457,407,881,706.61
  5. Step 5: Solve for x
    x = 457,407,881,706.61/825,471.65
  6. Step 6: Final answer
    x = 554,117.01

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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.