Home / 821,036.40-1,232,476.20-634,873.20

Finding the Fourth Proportional to 821,036.40, 1,232,476.20 and 634,873.20

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Solution

The fourth proportional to 821,036.40, 1,232,476.20 and 634,873.20 is: 953,022.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,036.40 : 1,232,476.20 = 634,873.20 : x
  2. Step 2: Convert to fraction form
    821,036.40/1,232,476.20 = 634,873.20/x
  3. Step 3: Cross multiply
    821,036.40x = 1,232,476.20 × 634,873.20
  4. Step 4: Simplify right side
    821,036.40x = 782,466,109,017.84
  5. Step 5: Solve for x
    x = 782,466,109,017.84/821,036.40
  6. Step 6: Final answer
    x = 953,022.43

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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.