Home / 884,416.55-1,326,885.11-285,366.47

Finding the Fourth Proportional to 884,416.55, 1,326,885.11 and 285,366.47

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Solution

The fourth proportional to 884,416.55, 1,326,885.11 and 285,366.47 is: 428,133.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,416.55 : 1,326,885.11 = 285,366.47 : x
  2. Step 2: Convert to fraction form
    884,416.55/1,326,885.11 = 285,366.47/x
  3. Step 3: Cross multiply
    884,416.55x = 1,326,885.11 × 285,366.47
  4. Step 4: Simplify right side
    884,416.55x = 378,648,519,936.26
  5. Step 5: Solve for x
    x = 378,648,519,936.26/884,416.55
  6. Step 6: Final answer
    x = 428,133.69

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1.5x scale

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.