Home / 708,930.40-1,063,030.80-210,229.60

Finding the Fourth Proportional to 708,930.40, 1,063,030.80 and 210,229.60

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Solution

The fourth proportional to 708,930.40, 1,063,030.80 and 210,229.60 is: 315,236.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,930.40 : 1,063,030.80 = 210,229.60 : x
  2. Step 2: Convert to fraction form
    708,930.40/1,063,030.80 = 210,229.60/x
  3. Step 3: Cross multiply
    708,930.40x = 1,063,030.80 × 210,229.60
  4. Step 4: Simplify right side
    708,930.40x = 223,480,539,871.68
  5. Step 5: Solve for x
    x = 223,480,539,871.68/708,930.40
  6. Step 6: Final answer
    x = 315,236.22

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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.