Home / 683,442.40-1,024,856.40-262,578.40

Finding the Fourth Proportional to 683,442.40, 1,024,856.40 and 262,578.40

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Solution

The fourth proportional to 683,442.40, 1,024,856.40 and 262,578.40 is: 393,749.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,442.40 : 1,024,856.40 = 262,578.40 : x
  2. Step 2: Convert to fraction form
    683,442.40/1,024,856.40 = 262,578.40/x
  3. Step 3: Cross multiply
    683,442.40x = 1,024,856.40 × 262,578.40
  4. Step 4: Simplify right side
    683,442.40x = 269,105,153,741.76
  5. Step 5: Solve for x
    x = 269,105,153,741.76/683,442.40
  6. Step 6: Final answer
    x = 393,749.57

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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.