Home / 788,512.70-1,181,019.45-314,954.30

Finding the Fourth Proportional to 788,512.70, 1,181,019.45 and 314,954.30

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Solution

The fourth proportional to 788,512.70, 1,181,019.45 and 314,954.30 is: 471,732.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,512.70 : 1,181,019.45 = 314,954.30 : x
  2. Step 2: Convert to fraction form
    788,512.70/1,181,019.45 = 314,954.30/x
  3. Step 3: Cross multiply
    788,512.70x = 1,181,019.45 × 314,954.30
  4. Step 4: Simplify right side
    788,512.70x = 371,967,154,161.14
  5. Step 5: Solve for x
    x = 371,967,154,161.14/788,512.70
  6. Step 6: Final answer
    x = 471,732.61

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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.