Home / 764,232.60-1,143,627.30-665,477.40

Finding the Fourth Proportional to 764,232.60, 1,143,627.30 and 665,477.40

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Solution

The fourth proportional to 764,232.60, 1,143,627.30 and 665,477.40 is: 995,846.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,232.60 : 1,143,627.30 = 665,477.40 : x
  2. Step 2: Convert to fraction form
    764,232.60/1,143,627.30 = 665,477.40/x
  3. Step 3: Cross multiply
    764,232.60x = 1,143,627.30 × 665,477.40
  4. Step 4: Simplify right side
    764,232.60x = 761,058,122,173.02
  5. Step 5: Solve for x
    x = 761,058,122,173.02/764,232.60
  6. Step 6: Final answer
    x = 995,846.19

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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.