Home / 876,252.69-1,209,265.47-494,279.37

Finding the Fourth Proportional to 876,252.69, 1,209,265.47 and 494,279.37

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Solution

The fourth proportional to 876,252.69, 1,209,265.47 and 494,279.37 is: 682,126.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,252.69 : 1,209,265.47 = 494,279.37 : x
  2. Step 2: Convert to fraction form
    876,252.69/1,209,265.47 = 494,279.37/x
  3. Step 3: Cross multiply
    876,252.69x = 1,209,265.47 × 494,279.37
  4. Step 4: Simplify right side
    876,252.69x = 597,714,974,674.35
  5. Step 5: Solve for x
    x = 597,714,974,674.35/876,252.69
  6. Step 6: Final answer
    x = 682,126.27

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Half scale
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Double scale
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Similar ratio
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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.