Home / 821,040.40-1,232,482.20-634,877.20

Finding the Fourth Proportional to 821,040.40, 1,232,482.20 and 634,877.20

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Solution

The fourth proportional to 821,040.40, 1,232,482.20 and 634,877.20 is: 953,028.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,040.40 : 1,232,482.20 = 634,877.20 : x
  2. Step 2: Convert to fraction form
    821,040.40/1,232,482.20 = 634,877.20/x
  3. Step 3: Cross multiply
    821,040.40x = 1,232,482.20 × 634,877.20
  4. Step 4: Simplify right side
    821,040.40x = 782,474,848,185.84
  5. Step 5: Solve for x
    x = 782,474,848,185.84/821,040.40
  6. Step 6: Final answer
    x = 953,028.44

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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.