Home / 764,028.40-1,145,205.60-384,343.60

Finding the Fourth Proportional to 764,028.40, 1,145,205.60 and 384,343.60

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Solution

The fourth proportional to 764,028.40, 1,145,205.60 and 384,343.60 is: 576,094.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,028.40 : 1,145,205.60 = 384,343.60 : x
  2. Step 2: Convert to fraction form
    764,028.40/1,145,205.60 = 384,343.60/x
  3. Step 3: Cross multiply
    764,028.40x = 1,145,205.60 × 384,343.60
  4. Step 4: Simplify right side
    764,028.40x = 440,152,443,044.16
  5. Step 5: Solve for x
    x = 440,152,443,044.16/764,028.40
  6. Step 6: Final answer
    x = 576,094.35

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Similar ratio
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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.