Home / 772,550.19-1,158,970.65-310,963.44

Finding the Fourth Proportional to 772,550.19, 1,158,970.65 and 310,963.44

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Solution

The fourth proportional to 772,550.19, 1,158,970.65 and 310,963.44 is: 466,503.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,550.19 : 1,158,970.65 = 310,963.44 : x
  2. Step 2: Convert to fraction form
    772,550.19/1,158,970.65 = 310,963.44/x
  3. Step 3: Cross multiply
    772,550.19x = 1,158,970.65 × 310,963.44
  4. Step 4: Simplify right side
    772,550.19x = 360,397,500,183.04
  5. Step 5: Solve for x
    x = 360,397,500,183.04/772,550.19
  6. Step 6: Final answer
    x = 466,503.67

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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.