Home / 884,312.20-1,326,144.30-285,430.60

Finding the Fourth Proportional to 884,312.20, 1,326,144.30 and 285,430.60

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Solution

The fourth proportional to 884,312.20, 1,326,144.30 and 285,430.60 is: 428,041.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,312.20 : 1,326,144.30 = 285,430.60 : x
  2. Step 2: Convert to fraction form
    884,312.20/1,326,144.30 = 285,430.60/x
  3. Step 3: Cross multiply
    884,312.20x = 1,326,144.30 × 285,430.60
  4. Step 4: Simplify right side
    884,312.20x = 378,522,163,235.58
  5. Step 5: Solve for x
    x = 378,522,163,235.58/884,312.20
  6. Step 6: Final answer
    x = 428,041.32

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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.