Home / 870,858.28-1,201,702.26-488,810.44

Finding the Fourth Proportional to 870,858.28, 1,201,702.26 and 488,810.44

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Solution

The fourth proportional to 870,858.28, 1,201,702.26 and 488,810.44 is: 674,512.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,858.28 : 1,201,702.26 = 488,810.44 : x
  2. Step 2: Convert to fraction form
    870,858.28/1,201,702.26 = 488,810.44/x
  3. Step 3: Cross multiply
    870,858.28x = 1,201,702.26 × 488,810.44
  4. Step 4: Simplify right side
    870,858.28x = 587,404,610,459.59
  5. Step 5: Solve for x
    x = 587,404,610,459.59/870,858.28
  6. Step 6: Final answer
    x = 674,512.29

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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.