Home / 870,081.33-1,200,720.43-488,116.31

Finding the Fourth Proportional to 870,081.33, 1,200,720.43 and 488,116.31

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Solution

The fourth proportional to 870,081.33, 1,200,720.43 and 488,116.31 is: 673,605.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,081.33 : 1,200,720.43 = 488,116.31 : x
  2. Step 2: Convert to fraction form
    870,081.33/1,200,720.43 = 488,116.31/x
  3. Step 3: Cross multiply
    870,081.33x = 1,200,720.43 × 488,116.31
  4. Step 4: Simplify right side
    870,081.33x = 586,091,225,633.21
  5. Step 5: Solve for x
    x = 586,091,225,633.21/870,081.33
  6. Step 6: Final answer
    x = 673,605.10

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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.