Home / 775,460.88-1,163,274.75-326,227.45

Finding the Fourth Proportional to 775,460.88, 1,163,274.75 and 326,227.45

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Solution

The fourth proportional to 775,460.88, 1,163,274.75 and 326,227.45 is: 489,376.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,460.88 : 1,163,274.75 = 326,227.45 : x
  2. Step 2: Convert to fraction form
    775,460.88/1,163,274.75 = 326,227.45/x
  3. Step 3: Cross multiply
    775,460.88x = 1,163,274.75 × 326,227.45
  4. Step 4: Simplify right side
    775,460.88x = 379,492,153,710.75
  5. Step 5: Solve for x
    x = 379,492,153,710.75/775,460.88
  6. Step 6: Final answer
    x = 489,376.27

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1.5x scale

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.