Home / 764,256.33-1,146,410.01-343,533.42

Finding the Fourth Proportional to 764,256.33, 1,146,410.01 and 343,533.42

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Solution

The fourth proportional to 764,256.33, 1,146,410.01 and 343,533.42 is: 515,311.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,256.33 : 1,146,410.01 = 343,533.42 : x
  2. Step 2: Convert to fraction form
    764,256.33/1,146,410.01 = 343,533.42/x
  3. Step 3: Cross multiply
    764,256.33x = 1,146,410.01 × 343,533.42
  4. Step 4: Simplify right side
    764,256.33x = 393,830,151,457.53
  5. Step 5: Solve for x
    x = 393,830,151,457.53/764,256.33
  6. Step 6: Final answer
    x = 515,311.60

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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.