Home / 870,022.08-1,304,817.12-238,904.64

Finding the Fourth Proportional to 870,022.08, 1,304,817.12 and 238,904.64

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Solution

The fourth proportional to 870,022.08, 1,304,817.12 and 238,904.64 is: 358,297.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,022.08 : 1,304,817.12 = 238,904.64 : x
  2. Step 2: Convert to fraction form
    870,022.08/1,304,817.12 = 238,904.64/x
  3. Step 3: Cross multiply
    870,022.08x = 1,304,817.12 × 238,904.64
  4. Step 4: Simplify right side
    870,022.08x = 311,726,864,319.44
  5. Step 5: Solve for x
    x = 311,726,864,319.44/870,022.08
  6. Step 6: Final answer
    x = 358,297.65

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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.