Home / 434,579.34-651,735.57-300,504.87

Finding the Fourth Proportional to 434,579.34, 651,735.57 and 300,504.87

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Solution

The fourth proportional to 434,579.34, 651,735.57 and 300,504.87 is: 450,665.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,579.34 : 651,735.57 = 300,504.87 : x
  2. Step 2: Convert to fraction form
    434,579.34/651,735.57 = 300,504.87/x
  3. Step 3: Cross multiply
    434,579.34x = 651,735.57 × 300,504.87
  4. Step 4: Simplify right side
    434,579.34x = 195,849,712,737.23
  5. Step 5: Solve for x
    x = 195,849,712,737.23/434,579.34
  6. Step 6: Final answer
    x = 450,665.03

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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.