Home / 679,823.20-1,019,734.80-637,832.80

Finding the Fourth Proportional to 679,823.20, 1,019,734.80 and 637,832.80

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Solution

The fourth proportional to 679,823.20, 1,019,734.80 and 637,832.80 is: 956,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,823.20 : 1,019,734.80 = 637,832.80 : x
  2. Step 2: Convert to fraction form
    679,823.20/1,019,734.80 = 637,832.80/x
  3. Step 3: Cross multiply
    679,823.20x = 1,019,734.80 × 637,832.80
  4. Step 4: Simplify right side
    679,823.20x = 650,420,302,741.44
  5. Step 5: Solve for x
    x = 650,420,302,741.44/679,823.20
  6. Step 6: Final answer
    x = 956,749.20

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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.