Home / 742,324.67-1,113,264.88-387,144.93

Finding the Fourth Proportional to 742,324.67, 1,113,264.88 and 387,144.93

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Solution

The fourth proportional to 742,324.67, 1,113,264.88 and 387,144.93 is: 580,601.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,324.67 : 1,113,264.88 = 387,144.93 : x
  2. Step 2: Convert to fraction form
    742,324.67/1,113,264.88 = 387,144.93/x
  3. Step 3: Cross multiply
    742,324.67x = 1,113,264.88 × 387,144.93
  4. Step 4: Simplify right side
    742,324.67x = 430,994,857,245.94
  5. Step 5: Solve for x
    x = 430,994,857,245.94/742,324.67
  6. Step 6: Final answer
    x = 580,601.56

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1.5x scale

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.