Home / 758,818.76-1,138,683.74-303,328.62

Finding the Fourth Proportional to 758,818.76, 1,138,683.74 and 303,328.62

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Solution

The fourth proportional to 758,818.76, 1,138,683.74 and 303,328.62 is: 455,175.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,818.76 : 1,138,683.74 = 303,328.62 : x
  2. Step 2: Convert to fraction form
    758,818.76/1,138,683.74 = 303,328.62/x
  3. Step 3: Cross multiply
    758,818.76x = 1,138,683.74 × 303,328.62
  4. Step 4: Simplify right side
    758,818.76x = 345,395,365,954.00
  5. Step 5: Solve for x
    x = 345,395,365,954.00/758,818.76
  6. Step 6: Final answer
    x = 455,175.05

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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.