Home / 884,394.40-1,326,780.48-285,389.60

Finding the Fourth Proportional to 884,394.40, 1,326,780.48 and 285,389.60

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Solution

The fourth proportional to 884,394.40, 1,326,780.48 and 285,389.60 is: 428,145.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,394.40 : 1,326,780.48 = 285,389.60 : x
  2. Step 2: Convert to fraction form
    884,394.40/1,326,780.48 = 285,389.60/x
  3. Step 3: Cross multiply
    884,394.40x = 1,326,780.48 × 285,389.60
  4. Step 4: Simplify right side
    884,394.40x = 378,649,350,475.01
  5. Step 5: Solve for x
    x = 378,649,350,475.01/884,394.40
  6. Step 6: Final answer
    x = 428,145.35

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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.