Home / 764,307.20-1,146,460.80-587,705.60

Finding the Fourth Proportional to 764,307.20, 1,146,460.80 and 587,705.60

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Solution

The fourth proportional to 764,307.20, 1,146,460.80 and 587,705.60 is: 881,558.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,307.20 : 1,146,460.80 = 587,705.60 : x
  2. Step 2: Convert to fraction form
    764,307.20/1,146,460.80 = 587,705.60/x
  3. Step 3: Cross multiply
    764,307.20x = 1,146,460.80 × 587,705.60
  4. Step 4: Simplify right side
    764,307.20x = 673,781,432,340.48
  5. Step 5: Solve for x
    x = 673,781,432,340.48/764,307.20
  6. Step 6: Final answer
    x = 881,558.40

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Similar ratio
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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.