Home / 764,038.60-1,146,057.90-698,720.20

Finding the Fourth Proportional to 764,038.60, 1,146,057.90 and 698,720.20

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Solution

The fourth proportional to 764,038.60, 1,146,057.90 and 698,720.20 is: 1,048,080.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,038.60 : 1,146,057.90 = 698,720.20 : x
  2. Step 2: Convert to fraction form
    764,038.60/1,146,057.90 = 698,720.20/x
  3. Step 3: Cross multiply
    764,038.60x = 1,146,057.90 × 698,720.20
  4. Step 4: Simplify right side
    764,038.60x = 800,773,805,099.58
  5. Step 5: Solve for x
    x = 800,773,805,099.58/764,038.60
  6. Step 6: Final answer
    x = 1,048,080.30

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Similar ratio
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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.