Home / 764,237.60-1,144,608.40-365,158.72

Finding the Fourth Proportional to 764,237.60, 1,144,608.40 and 365,158.72

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Solution

The fourth proportional to 764,237.60, 1,144,608.40 and 365,158.72 is: 546,902.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,237.60 : 1,144,608.40 = 365,158.72 : x
  2. Step 2: Convert to fraction form
    764,237.60/1,144,608.40 = 365,158.72/x
  3. Step 3: Cross multiply
    764,237.60x = 1,144,608.40 × 365,158.72
  4. Step 4: Simplify right side
    764,237.60x = 417,963,738,245.25
  5. Step 5: Solve for x
    x = 417,963,738,245.25/764,237.60
  6. Step 6: Final answer
    x = 546,902.87

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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.