Home / 380,727.94-570,690.03-127,768.58

Finding the Fourth Proportional to 380,727.94, 570,690.03 and 127,768.58

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Solution

The fourth proportional to 380,727.94, 570,690.03 and 127,768.58 is: 191,518.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,727.94 : 570,690.03 = 127,768.58 : x
  2. Step 2: Convert to fraction form
    380,727.94/570,690.03 = 127,768.58/x
  3. Step 3: Cross multiply
    380,727.94x = 570,690.03 × 127,768.58
  4. Step 4: Simplify right side
    380,727.94x = 72,916,254,753.26
  5. Step 5: Solve for x
    x = 72,916,254,753.26/380,727.94
  6. Step 6: Final answer
    x = 191,518.01

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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.