Home / 743,297.20-1,025,658.72-452,803.36

Finding the Fourth Proportional to 743,297.20, 1,025,658.72 and 452,803.36

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Solution

The fourth proportional to 743,297.20, 1,025,658.72 and 452,803.36 is: 624,812.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,297.20 : 1,025,658.72 = 452,803.36 : x
  2. Step 2: Convert to fraction form
    743,297.20/1,025,658.72 = 452,803.36/x
  3. Step 3: Cross multiply
    743,297.20x = 1,025,658.72 × 452,803.36
  4. Step 4: Simplify right side
    743,297.20x = 464,421,714,629.30
  5. Step 5: Solve for x
    x = 464,421,714,629.30/743,297.20
  6. Step 6: Final answer
    x = 624,812.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.