Home / 771,782.87-1,158,069.38-367,432.49

Finding the Fourth Proportional to 771,782.87, 1,158,069.38 and 367,432.49

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Solution

The fourth proportional to 771,782.87, 1,158,069.38 and 367,432.49 is: 551,336.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,782.87 : 1,158,069.38 = 367,432.49 : x
  2. Step 2: Convert to fraction form
    771,782.87/1,158,069.38 = 367,432.49/x
  3. Step 3: Cross multiply
    771,782.87x = 1,158,069.38 × 367,432.49
  4. Step 4: Simplify right side
    771,782.87x = 425,512,308,258.65
  5. Step 5: Solve for x
    x = 425,512,308,258.65/771,782.87
  6. Step 6: Final answer
    x = 551,336.82

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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.