Home / 865,776.96-1,297,966.08-360,718.32

Finding the Fourth Proportional to 865,776.96, 1,297,966.08 and 360,718.32

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Solution

The fourth proportional to 865,776.96, 1,297,966.08 and 360,718.32 is: 540,786.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,776.96 : 1,297,966.08 = 360,718.32 : x
  2. Step 2: Convert to fraction form
    865,776.96/1,297,966.08 = 360,718.32/x
  3. Step 3: Cross multiply
    865,776.96x = 1,297,966.08 × 360,718.32
  4. Step 4: Simplify right side
    865,776.96x = 468,200,143,794.59
  5. Step 5: Solve for x
    x = 468,200,143,794.59/865,776.96
  6. Step 6: Final answer
    x = 540,786.10

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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.