Home / 876,128.04-1,208,984.04-494,248.68

Finding the Fourth Proportional to 876,128.04, 1,208,984.04 and 494,248.68

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Solution

The fourth proportional to 876,128.04, 1,208,984.04 and 494,248.68 is: 682,022.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,128.04 : 1,208,984.04 = 494,248.68 : x
  2. Step 2: Convert to fraction form
    876,128.04/1,208,984.04 = 494,248.68/x
  3. Step 3: Cross multiply
    876,128.04x = 1,208,984.04 × 494,248.68
  4. Step 4: Simplify right side
    876,128.04x = 597,538,765,911.07
  5. Step 5: Solve for x
    x = 597,538,765,911.07/876,128.04
  6. Step 6: Final answer
    x = 682,022.19

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Double scale
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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.