Home / 859,403.52-1,185,562.20-572,556.60

Finding the Fourth Proportional to 859,403.52, 1,185,562.20 and 572,556.60

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Solution

The fourth proportional to 859,403.52, 1,185,562.20 and 572,556.60 is: 789,851.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,403.52 : 1,185,562.20 = 572,556.60 : x
  2. Step 2: Convert to fraction form
    859,403.52/1,185,562.20 = 572,556.60/x
  3. Step 3: Cross multiply
    859,403.52x = 1,185,562.20 × 572,556.60
  4. Step 4: Simplify right side
    859,403.52x = 678,801,462,320.52
  5. Step 5: Solve for x
    x = 678,801,462,320.52/859,403.52
  6. Step 6: Final answer
    x = 789,851.85

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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.