Home / 460,018.88-689,794.96-210,487.04

Finding the Fourth Proportional to 460,018.88, 689,794.96 and 210,487.04

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Solution

The fourth proportional to 460,018.88, 689,794.96 and 210,487.04 is: 315,623.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,018.88 : 689,794.96 = 210,487.04 : x
  2. Step 2: Convert to fraction form
    460,018.88/689,794.96 = 210,487.04/x
  3. Step 3: Cross multiply
    460,018.88x = 689,794.96 × 210,487.04
  4. Step 4: Simplify right side
    460,018.88x = 145,192,899,337.32
  5. Step 5: Solve for x
    x = 145,192,899,337.32/460,018.88
  6. Step 6: Final answer
    x = 315,623.78

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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.