Home / 683,314.80-1,024,972.20-435,097.20

Finding the Fourth Proportional to 683,314.80, 1,024,972.20 and 435,097.20

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Solution

The fourth proportional to 683,314.80, 1,024,972.20 and 435,097.20 is: 652,645.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,314.80 : 1,024,972.20 = 435,097.20 : x
  2. Step 2: Convert to fraction form
    683,314.80/1,024,972.20 = 435,097.20/x
  3. Step 3: Cross multiply
    683,314.80x = 1,024,972.20 × 435,097.20
  4. Step 4: Simplify right side
    683,314.80x = 445,962,534,297.84
  5. Step 5: Solve for x
    x = 445,962,534,297.84/683,314.80
  6. Step 6: Final answer
    x = 652,645.80

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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.