Home / 915,285.25-1,263,222.40-566,537.60

Finding the Fourth Proportional to 915,285.25, 1,263,222.40 and 566,537.60

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Solution

The fourth proportional to 915,285.25, 1,263,222.40 and 566,537.60 is: 781,901.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,285.25 : 1,263,222.40 = 566,537.60 : x
  2. Step 2: Convert to fraction form
    915,285.25/1,263,222.40 = 566,537.60/x
  3. Step 3: Cross multiply
    915,285.25x = 1,263,222.40 × 566,537.60
  4. Step 4: Simplify right side
    915,285.25x = 715,662,984,452.30
  5. Step 5: Solve for x
    x = 715,662,984,452.30/915,285.25
  6. Step 6: Final answer
    x = 781,901.58

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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.