Home / 762,763.84-1,052,497.20-456,768.56

Finding the Fourth Proportional to 762,763.84, 1,052,497.20 and 456,768.56

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Solution

The fourth proportional to 762,763.84, 1,052,497.20 and 456,768.56 is: 630,270.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,763.84 : 1,052,497.20 = 456,768.56 : x
  2. Step 2: Convert to fraction form
    762,763.84/1,052,497.20 = 456,768.56/x
  3. Step 3: Cross multiply
    762,763.84x = 1,052,497.20 × 456,768.56
  4. Step 4: Simplify right side
    762,763.84x = 480,747,630,448.03
  5. Step 5: Solve for x
    x = 480,747,630,448.03/762,763.84
  6. Step 6: Final answer
    x = 630,270.61

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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.