Home / 870,084.46-1,200,724.74-488,119.44

Finding the Fourth Proportional to 870,084.46, 1,200,724.74 and 488,119.44

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Solution

The fourth proportional to 870,084.46, 1,200,724.74 and 488,119.44 is: 673,609.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,084.46 : 1,200,724.74 = 488,119.44 : x
  2. Step 2: Convert to fraction form
    870,084.46/1,200,724.74 = 488,119.44/x
  3. Step 3: Cross multiply
    870,084.46x = 1,200,724.74 × 488,119.44
  4. Step 4: Simplify right side
    870,084.46x = 586,097,087,682.95
  5. Step 5: Solve for x
    x = 586,097,087,682.95/870,084.46
  6. Step 6: Final answer
    x = 673,609.42

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.