Home / 764,237.60-1,143,634.80-665,482.40

Finding the Fourth Proportional to 764,237.60, 1,143,634.80 and 665,482.40

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Solution

The fourth proportional to 764,237.60, 1,143,634.80 and 665,482.40 is: 995,853.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,237.60 : 1,143,634.80 = 665,482.40 : x
  2. Step 2: Convert to fraction form
    764,237.60/1,143,634.80 = 665,482.40/x
  3. Step 3: Cross multiply
    764,237.60x = 1,143,634.80 × 665,482.40
  4. Step 4: Simplify right side
    764,237.60x = 761,068,831,427.52
  5. Step 5: Solve for x
    x = 761,068,831,427.52/764,237.60
  6. Step 6: Final answer
    x = 995,853.69

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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.