Home / 330,810.70-456,621.56-262,948.09

Finding the Fourth Proportional to 330,810.70, 456,621.56 and 262,948.09

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Solution

The fourth proportional to 330,810.70, 456,621.56 and 262,948.09 is: 362,950.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,810.70 : 456,621.56 = 262,948.09 : x
  2. Step 2: Convert to fraction form
    330,810.70/456,621.56 = 262,948.09/x
  3. Step 3: Cross multiply
    330,810.70x = 456,621.56 × 262,948.09
  4. Step 4: Simplify right side
    330,810.70x = 120,067,765,740.08
  5. Step 5: Solve for x
    x = 120,067,765,740.08/330,810.70
  6. Step 6: Final answer
    x = 362,950.07

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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.