Home / 896,843.70-1,345,457.31-328,222.89

Finding the Fourth Proportional to 896,843.70, 1,345,457.31 and 328,222.89

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Solution

The fourth proportional to 896,843.70, 1,345,457.31 and 328,222.89 is: 492,404.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,843.70 : 1,345,457.31 = 328,222.89 : x
  2. Step 2: Convert to fraction form
    896,843.70/1,345,457.31 = 328,222.89/x
  3. Step 3: Cross multiply
    896,843.70x = 1,345,457.31 × 328,222.89
  4. Step 4: Simplify right side
    896,843.70x = 441,609,886,659.83
  5. Step 5: Solve for x
    x = 441,609,886,659.83/896,843.70
  6. Step 6: Final answer
    x = 492,404.51

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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.