Home / 380,966.54-570,328.34-281,569.82

Finding the Fourth Proportional to 380,966.54, 570,328.34 and 281,569.82

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Solution

The fourth proportional to 380,966.54, 570,328.34 and 281,569.82 is: 421,525.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,966.54 : 570,328.34 = 281,569.82 : x
  2. Step 2: Convert to fraction form
    380,966.54/570,328.34 = 281,569.82/x
  3. Step 3: Cross multiply
    380,966.54x = 570,328.34 × 281,569.82
  4. Step 4: Simplify right side
    380,966.54x = 160,587,243,775.21
  5. Step 5: Solve for x
    x = 160,587,243,775.21/380,966.54
  6. Step 6: Final answer
    x = 421,525.85

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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.