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Finding the Fourth Proportional to 507,744.75, 700,683.41 and 278,314.79

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Solution

The fourth proportional to 507,744.75, 700,683.41 and 278,314.79 is: 384,072.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,744.75 : 700,683.41 = 278,314.79 : x
  2. Step 2: Convert to fraction form
    507,744.75/700,683.41 = 278,314.79/x
  3. Step 3: Cross multiply
    507,744.75x = 700,683.41 × 278,314.79
  4. Step 4: Simplify right side
    507,744.75x = 195,010,556,110.63
  5. Step 5: Solve for x
    x = 195,010,556,110.63/507,744.75
  6. Step 6: Final answer
    x = 384,072.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.