Home / 570,623.22-787,450.41-315,968.94

Finding the Fourth Proportional to 570,623.22, 787,450.41 and 315,968.94

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Solution

The fourth proportional to 570,623.22, 787,450.41 and 315,968.94 is: 436,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,623.22 : 787,450.41 = 315,968.94 : x
  2. Step 2: Convert to fraction form
    570,623.22/787,450.41 = 315,968.94/x
  3. Step 3: Cross multiply
    570,623.22x = 787,450.41 × 315,968.94
  4. Step 4: Simplify right side
    570,623.22x = 248,809,871,350.27
  5. Step 5: Solve for x
    x = 248,809,871,350.27/570,623.22
  6. Step 6: Final answer
    x = 436,031.80

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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.