Home / 802,367.40-1,107,380.52-496,542.30

Finding the Fourth Proportional to 802,367.40, 1,107,380.52 and 496,542.30

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Solution

The fourth proportional to 802,367.40, 1,107,380.52 and 496,542.30 is: 685,298.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,367.40 : 1,107,380.52 = 496,542.30 : x
  2. Step 2: Convert to fraction form
    802,367.40/1,107,380.52 = 496,542.30/x
  3. Step 3: Cross multiply
    802,367.40x = 1,107,380.52 × 496,542.30
  4. Step 4: Simplify right side
    802,367.40x = 549,861,270,376.00
  5. Step 5: Solve for x
    x = 549,861,270,376.00/802,367.40
  6. Step 6: Final answer
    x = 685,298.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.