Home / 434,200.70-651,301.05-403,787.90

Finding the Fourth Proportional to 434,200.70, 651,301.05 and 403,787.90

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Solution

The fourth proportional to 434,200.70, 651,301.05 and 403,787.90 is: 605,681.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,200.70 : 651,301.05 = 403,787.90 : x
  2. Step 2: Convert to fraction form
    434,200.70/651,301.05 = 403,787.90/x
  3. Step 3: Cross multiply
    434,200.70x = 651,301.05 × 403,787.90
  4. Step 4: Simplify right side
    434,200.70x = 262,987,483,247.30
  5. Step 5: Solve for x
    x = 262,987,483,247.30/434,200.70
  6. Step 6: Final answer
    x = 605,681.85

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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.