Home / 701,980.53-1,053,102.03-281,289.21

Finding the Fourth Proportional to 701,980.53, 1,053,102.03 and 281,289.21

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Solution

The fourth proportional to 701,980.53, 1,053,102.03 and 281,289.21 is: 421,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,980.53 : 1,053,102.03 = 281,289.21 : x
  2. Step 2: Convert to fraction form
    701,980.53/1,053,102.03 = 281,289.21/x
  3. Step 3: Cross multiply
    701,980.53x = 1,053,102.03 × 281,289.21
  4. Step 4: Simplify right side
    701,980.53x = 296,226,238,068.10
  5. Step 5: Solve for x
    x = 296,226,238,068.10/701,980.53
  6. Step 6: Final answer
    x = 421,986.40

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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.