Home / 870,590.51-1,201,414.87-488,617.29

Finding the Fourth Proportional to 870,590.51, 1,201,414.87 and 488,617.29

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Solution

The fourth proportional to 870,590.51, 1,201,414.87 and 488,617.29 is: 674,291.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,590.51 : 1,201,414.87 = 488,617.29 : x
  2. Step 2: Convert to fraction form
    870,590.51/1,201,414.87 = 488,617.29/x
  3. Step 3: Cross multiply
    870,590.51x = 1,201,414.87 × 488,617.29
  4. Step 4: Simplify right side
    870,590.51x = 587,032,077,945.10
  5. Step 5: Solve for x
    x = 587,032,077,945.10/870,590.51
  6. Step 6: Final answer
    x = 674,291.84

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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.