Home / 988,738.76-1,483,108.14-456,102.20

Finding the Fourth Proportional to 988,738.76, 1,483,108.14 and 456,102.20

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Solution

The fourth proportional to 988,738.76, 1,483,108.14 and 456,102.20 is: 684,153.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,738.76 : 1,483,108.14 = 456,102.20 : x
  2. Step 2: Convert to fraction form
    988,738.76/1,483,108.14 = 456,102.20/x
  3. Step 3: Cross multiply
    988,738.76x = 1,483,108.14 × 456,102.20
  4. Step 4: Simplify right side
    988,738.76x = 676,448,890,910.06
  5. Step 5: Solve for x
    x = 676,448,890,910.06/988,738.76
  6. Step 6: Final answer
    x = 684,153.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.