Home / 864,776.92-1,297,962.74-438,611.80

Finding the Fourth Proportional to 864,776.92, 1,297,962.74 and 438,611.80

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Solution

The fourth proportional to 864,776.92, 1,297,962.74 and 438,611.80 is: 658,322.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,776.92 : 1,297,962.74 = 438,611.80 : x
  2. Step 2: Convert to fraction form
    864,776.92/1,297,962.74 = 438,611.80/x
  3. Step 3: Cross multiply
    864,776.92x = 1,297,962.74 × 438,611.80
  4. Step 4: Simplify right side
    864,776.92x = 569,301,773,724.33
  5. Step 5: Solve for x
    x = 569,301,773,724.33/864,776.92
  6. Step 6: Final answer
    x = 658,322.12

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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.