Home / 683,603.20-1,025,623.86-478,651.35

Finding the Fourth Proportional to 683,603.20, 1,025,623.86 and 478,651.35

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Solution

The fourth proportional to 683,603.20, 1,025,623.86 and 478,651.35 is: 718,130.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,603.20 : 1,025,623.86 = 478,651.35 : x
  2. Step 2: Convert to fraction form
    683,603.20/1,025,623.86 = 478,651.35/x
  3. Step 3: Cross multiply
    683,603.20x = 1,025,623.86 × 478,651.35
  4. Step 4: Simplify right side
    683,603.20x = 490,916,245,181.21
  5. Step 5: Solve for x
    x = 490,916,245,181.21/683,603.20
  6. Step 6: Final answer
    x = 718,130.41

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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.