Home / 683,460.80-1,025,191.20-649,246.40

Finding the Fourth Proportional to 683,460.80, 1,025,191.20 and 649,246.40

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Solution

The fourth proportional to 683,460.80, 1,025,191.20 and 649,246.40 is: 973,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,460.80 : 1,025,191.20 = 649,246.40 : x
  2. Step 2: Convert to fraction form
    683,460.80/1,025,191.20 = 649,246.40/x
  3. Step 3: Cross multiply
    683,460.80x = 1,025,191.20 × 649,246.40
  4. Step 4: Simplify right side
    683,460.80x = 665,601,695,911.68
  5. Step 5: Solve for x
    x = 665,601,695,911.68/683,460.80
  6. Step 6: Final answer
    x = 973,869.60

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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.