Home / 768,049.60-1,152,074.40-436,273.60

Finding the Fourth Proportional to 768,049.60, 1,152,074.40 and 436,273.60

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Solution

The fourth proportional to 768,049.60, 1,152,074.40 and 436,273.60 is: 654,410.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,049.60 : 1,152,074.40 = 436,273.60 : x
  2. Step 2: Convert to fraction form
    768,049.60/1,152,074.40 = 436,273.60/x
  3. Step 3: Cross multiply
    768,049.60x = 1,152,074.40 × 436,273.60
  4. Step 4: Simplify right side
    768,049.60x = 502,619,645,955.84
  5. Step 5: Solve for x
    x = 502,619,645,955.84/768,049.60
  6. Step 6: Final answer
    x = 654,410.40

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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.