Home / 664,822.10-996,941.55-265,330.10

Finding the Fourth Proportional to 664,822.10, 996,941.55 and 265,330.10

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Solution

The fourth proportional to 664,822.10, 996,941.55 and 265,330.10 is: 397,878.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,822.10 : 996,941.55 = 265,330.10 : x
  2. Step 2: Convert to fraction form
    664,822.10/996,941.55 = 265,330.10/x
  3. Step 3: Cross multiply
    664,822.10x = 996,941.55 × 265,330.10
  4. Step 4: Simplify right side
    664,822.10x = 264,518,601,155.66
  5. Step 5: Solve for x
    x = 264,518,601,155.66/664,822.10
  6. Step 6: Final answer
    x = 397,878.77

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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.