Home / 782,730.99-1,174,263.81-242,975.40

Finding the Fourth Proportional to 782,730.99, 1,174,263.81 and 242,975.40

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Solution

The fourth proportional to 782,730.99, 1,174,263.81 and 242,975.40 is: 364,515.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,730.99 : 1,174,263.81 = 242,975.40 : x
  2. Step 2: Convert to fraction form
    782,730.99/1,174,263.81 = 242,975.40/x
  3. Step 3: Cross multiply
    782,730.99x = 1,174,263.81 × 242,975.40
  4. Step 4: Simplify right side
    782,730.99x = 285,317,218,940.27
  5. Step 5: Solve for x
    x = 285,317,218,940.27/782,730.99
  6. Step 6: Final answer
    x = 364,515.04

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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.