Home / 679,664.62-1,018,859.96-230,070.88

Finding the Fourth Proportional to 679,664.62, 1,018,859.96 and 230,070.88

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Solution

The fourth proportional to 679,664.62, 1,018,859.96 and 230,070.88 is: 344,890.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,664.62 : 1,018,859.96 = 230,070.88 : x
  2. Step 2: Convert to fraction form
    679,664.62/1,018,859.96 = 230,070.88/x
  3. Step 3: Cross multiply
    679,664.62x = 1,018,859.96 × 230,070.88
  4. Step 4: Simplify right side
    679,664.62x = 234,410,004,820.88
  5. Step 5: Solve for x
    x = 234,410,004,820.88/679,664.62
  6. Step 6: Final answer
    x = 344,890.70

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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.