Home / 884,315.70-1,326,149.55-285,434.10

Finding the Fourth Proportional to 884,315.70, 1,326,149.55 and 285,434.10

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Solution

The fourth proportional to 884,315.70, 1,326,149.55 and 285,434.10 is: 428,046.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,315.70 : 1,326,149.55 = 285,434.10 : x
  2. Step 2: Convert to fraction form
    884,315.70/1,326,149.55 = 285,434.10/x
  3. Step 3: Cross multiply
    884,315.70x = 1,326,149.55 × 285,434.10
  4. Step 4: Simplify right side
    884,315.70x = 378,528,303,269.66
  5. Step 5: Solve for x
    x = 378,528,303,269.66/884,315.70
  6. Step 6: Final answer
    x = 428,046.57

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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.