Home / 708,874.56-1,063,130.40-210,121.92

Finding the Fourth Proportional to 708,874.56, 1,063,130.40 and 210,121.92

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Solution

The fourth proportional to 708,874.56, 1,063,130.40 and 210,121.92 is: 315,129.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,874.56 : 1,063,130.40 = 210,121.92 : x
  2. Step 2: Convert to fraction form
    708,874.56/1,063,130.40 = 210,121.92/x
  3. Step 3: Cross multiply
    708,874.56x = 1,063,130.40 × 210,121.92
  4. Step 4: Simplify right side
    708,874.56x = 223,387,000,858.37
  5. Step 5: Solve for x
    x = 223,387,000,858.37/708,874.56
  6. Step 6: Final answer
    x = 315,129.10

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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.