Home / 764,435.60-1,146,653.40-717,196.40

Finding the Fourth Proportional to 764,435.60, 1,146,653.40 and 717,196.40

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Solution

The fourth proportional to 764,435.60, 1,146,653.40 and 717,196.40 is: 1,075,794.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,435.60 : 1,146,653.40 = 717,196.40 : x
  2. Step 2: Convert to fraction form
    764,435.60/1,146,653.40 = 717,196.40/x
  3. Step 3: Cross multiply
    764,435.60x = 1,146,653.40 × 717,196.40
  4. Step 4: Simplify right side
    764,435.60x = 822,375,690,527.76
  5. Step 5: Solve for x
    x = 822,375,690,527.76/764,435.60
  6. Step 6: Final answer
    x = 1,075,794.60

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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.