Home / 764,688.60-1,147,032.90-717,449.40

Finding the Fourth Proportional to 764,688.60, 1,147,032.90 and 717,449.40

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Solution

The fourth proportional to 764,688.60, 1,147,032.90 and 717,449.40 is: 1,076,174.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,688.60 : 1,147,032.90 = 717,449.40 : x
  2. Step 2: Convert to fraction form
    764,688.60/1,147,032.90 = 717,449.40/x
  3. Step 3: Cross multiply
    764,688.60x = 1,147,032.90 × 717,449.40
  4. Step 4: Simplify right side
    764,688.60x = 822,938,065,885.26
  5. Step 5: Solve for x
    x = 822,938,065,885.26/764,688.60
  6. Step 6: Final answer
    x = 1,076,174.10

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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.