Home / 870,081.46-1,200,720.60-488,116.44

Finding the Fourth Proportional to 870,081.46, 1,200,720.60 and 488,116.44

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Solution

The fourth proportional to 870,081.46, 1,200,720.60 and 488,116.44 is: 673,605.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,081.46 : 1,200,720.60 = 488,116.44 : x
  2. Step 2: Convert to fraction form
    870,081.46/1,200,720.60 = 488,116.44/x
  3. Step 3: Cross multiply
    870,081.46x = 1,200,720.60 × 488,116.44
  4. Step 4: Simplify right side
    870,081.46x = 586,091,458,703.06
  5. Step 5: Solve for x
    x = 586,091,458,703.06/870,081.46
  6. Step 6: Final answer
    x = 673,605.28

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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.