Home / 870,083.33-1,200,723.19-488,118.31

Finding the Fourth Proportional to 870,083.33, 1,200,723.19 and 488,118.31

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Solution

The fourth proportional to 870,083.33, 1,200,723.19 and 488,118.31 is: 673,607.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,083.33 : 1,200,723.19 = 488,118.31 : x
  2. Step 2: Convert to fraction form
    870,083.33/1,200,723.19 = 488,118.31/x
  3. Step 3: Cross multiply
    870,083.33x = 1,200,723.19 × 488,118.31
  4. Step 4: Simplify right side
    870,083.33x = 586,094,974,280.61
  5. Step 5: Solve for x
    x = 586,094,974,280.61/870,083.33
  6. Step 6: Final answer
    x = 673,607.86

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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.