Home / 828,332.80-1,242,360.79-229,354.50

Finding the Fourth Proportional to 828,332.80, 1,242,360.79 and 229,354.50

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Solution

The fourth proportional to 828,332.80, 1,242,360.79 and 229,354.50 is: 343,993.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,332.80 : 1,242,360.79 = 229,354.50 : x
  2. Step 2: Convert to fraction form
    828,332.80/1,242,360.79 = 229,354.50/x
  3. Step 3: Cross multiply
    828,332.80x = 1,242,360.79 × 229,354.50
  4. Step 4: Simplify right side
    828,332.80x = 284,941,041,895.52
  5. Step 5: Solve for x
    x = 284,941,041,895.52/828,332.80
  6. Step 6: Final answer
    x = 343,993.43

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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.