Home / 816,099.52-1,125,030.38-570,321.21

Finding the Fourth Proportional to 816,099.52, 1,125,030.38 and 570,321.21

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Solution

The fourth proportional to 816,099.52, 1,125,030.38 and 570,321.21 is: 786,213.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,099.52 : 1,125,030.38 = 570,321.21 : x
  2. Step 2: Convert to fraction form
    816,099.52/1,125,030.38 = 570,321.21/x
  3. Step 3: Cross multiply
    816,099.52x = 1,125,030.38 × 570,321.21
  4. Step 4: Simplify right side
    816,099.52x = 641,628,685,855.38
  5. Step 5: Solve for x
    x = 641,628,685,855.38/816,099.52
  6. Step 6: Final answer
    x = 786,213.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.