Home / 775,549.07-1,163,065.25-326,186.18

Finding the Fourth Proportional to 775,549.07, 1,163,065.25 and 326,186.18

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Solution

The fourth proportional to 775,549.07, 1,163,065.25 and 326,186.18 is: 489,170.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,549.07 : 1,163,065.25 = 326,186.18 : x
  2. Step 2: Convert to fraction form
    775,549.07/1,163,065.25 = 326,186.18/x
  3. Step 3: Cross multiply
    775,549.07x = 1,163,065.25 × 326,186.18
  4. Step 4: Simplify right side
    775,549.07x = 379,375,803,541.99
  5. Step 5: Solve for x
    x = 379,375,803,541.99/775,549.07
  6. Step 6: Final answer
    x = 489,170.60

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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.