Home / 884,429.70-1,326,644.55-285,410.40

Finding the Fourth Proportional to 884,429.70, 1,326,644.55 and 285,410.40

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Solution

The fourth proportional to 884,429.70, 1,326,644.55 and 285,410.40 is: 428,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,429.70 : 1,326,644.55 = 285,410.40 : x
  2. Step 2: Convert to fraction form
    884,429.70/1,326,644.55 = 285,410.40/x
  3. Step 3: Cross multiply
    884,429.70x = 1,326,644.55 × 285,410.40
  4. Step 4: Simplify right side
    884,429.70x = 378,638,151,673.32
  5. Step 5: Solve for x
    x = 378,638,151,673.32/884,429.70
  6. Step 6: Final answer
    x = 428,115.60

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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.