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Finding the Fourth Proportional to 425,719.99, 637,304.91 and 410,579.34

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Solution

The fourth proportional to 425,719.99, 637,304.91 and 410,579.34 is: 614,639.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,719.99 : 637,304.91 = 410,579.34 : x
  2. Step 2: Convert to fraction form
    425,719.99/637,304.91 = 410,579.34/x
  3. Step 3: Cross multiply
    425,719.99x = 637,304.91 × 410,579.34
  4. Step 4: Simplify right side
    425,719.99x = 261,664,229,498.92
  5. Step 5: Solve for x
    x = 261,664,229,498.92/425,719.99
  6. Step 6: Final answer
    x = 614,639.29

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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.