Home / 775,461.88-1,163,276.25-326,228.45

Finding the Fourth Proportional to 775,461.88, 1,163,276.25 and 326,228.45

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Solution

The fourth proportional to 775,461.88, 1,163,276.25 and 326,228.45 is: 489,377.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,461.88 : 1,163,276.25 = 326,228.45 : x
  2. Step 2: Convert to fraction form
    775,461.88/1,163,276.25 = 326,228.45/x
  3. Step 3: Cross multiply
    775,461.88x = 1,163,276.25 × 326,228.45
  4. Step 4: Simplify right side
    775,461.88x = 379,493,807,959.31
  5. Step 5: Solve for x
    x = 379,493,807,959.31/775,461.88
  6. Step 6: Final answer
    x = 489,377.77

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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.