Home / 876,101.46-1,209,018.30-494,127.06

Finding the Fourth Proportional to 876,101.46, 1,209,018.30 and 494,127.06

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Solution

The fourth proportional to 876,101.46, 1,209,018.30 and 494,127.06 is: 681,894.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,101.46 : 1,209,018.30 = 494,127.06 : x
  2. Step 2: Convert to fraction form
    876,101.46/1,209,018.30 = 494,127.06/x
  3. Step 3: Cross multiply
    876,101.46x = 1,209,018.30 × 494,127.06
  4. Step 4: Simplify right side
    876,101.46x = 597,408,658,065.20
  5. Step 5: Solve for x
    x = 597,408,658,065.20/876,101.46
  6. Step 6: Final answer
    x = 681,894.38

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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.