Home / 505,829.80-758,787.90-173,405.80

Finding the Fourth Proportional to 505,829.80, 758,787.90 and 173,405.80

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Solution

The fourth proportional to 505,829.80, 758,787.90 and 173,405.80 is: 260,123.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,829.80 : 758,787.90 = 173,405.80 : x
  2. Step 2: Convert to fraction form
    505,829.80/758,787.90 = 173,405.80/x
  3. Step 3: Cross multiply
    505,829.80x = 758,787.90 × 173,405.80
  4. Step 4: Simplify right side
    505,829.80x = 131,578,222,829.82
  5. Step 5: Solve for x
    x = 131,578,222,829.82/505,829.80
  6. Step 6: Final answer
    x = 260,123.51

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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.