Home / 683,315.60-1,024,973.40-644,608.40

Finding the Fourth Proportional to 683,315.60, 1,024,973.40 and 644,608.40

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Solution

The fourth proportional to 683,315.60, 1,024,973.40 and 644,608.40 is: 966,912.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,315.60 : 1,024,973.40 = 644,608.40 : x
  2. Step 2: Convert to fraction form
    683,315.60/1,024,973.40 = 644,608.40/x
  3. Step 3: Cross multiply
    683,315.60x = 1,024,973.40 × 644,608.40
  4. Step 4: Simplify right side
    683,315.60x = 660,706,463,416.56
  5. Step 5: Solve for x
    x = 660,706,463,416.56/683,315.60
  6. Step 6: Final answer
    x = 966,912.60

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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.