Home / 869,885.20-1,304,827.80-634,877.20

Finding the Fourth Proportional to 869,885.20, 1,304,827.80 and 634,877.20

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Solution

The fourth proportional to 869,885.20, 1,304,827.80 and 634,877.20 is: 952,315.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,885.20 : 1,304,827.80 = 634,877.20 : x
  2. Step 2: Convert to fraction form
    869,885.20/1,304,827.80 = 634,877.20/x
  3. Step 3: Cross multiply
    869,885.20x = 1,304,827.80 × 634,877.20
  4. Step 4: Simplify right side
    869,885.20x = 828,405,420,146.16
  5. Step 5: Solve for x
    x = 828,405,420,146.16/869,885.20
  6. Step 6: Final answer
    x = 952,315.80

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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.