Home / 570,949.07-856,155.35-331,131.08

Finding the Fourth Proportional to 570,949.07, 856,155.35 and 331,131.08

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Solution

The fourth proportional to 570,949.07, 856,155.35 and 331,131.08 is: 496,541.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,949.07 : 856,155.35 = 331,131.08 : x
  2. Step 2: Convert to fraction form
    570,949.07/856,155.35 = 331,131.08/x
  3. Step 3: Cross multiply
    570,949.07x = 856,155.35 × 331,131.08
  4. Step 4: Simplify right side
    570,949.07x = 283,499,644,037.62
  5. Step 5: Solve for x
    x = 283,499,644,037.62/570,949.07
  6. Step 6: Final answer
    x = 496,541.04

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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.