Home / 789,750.56-1,184,624.88-257,270.72

Finding the Fourth Proportional to 789,750.56, 1,184,624.88 and 257,270.72

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Solution

The fourth proportional to 789,750.56, 1,184,624.88 and 257,270.72 is: 385,905.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,750.56 : 1,184,624.88 = 257,270.72 : x
  2. Step 2: Convert to fraction form
    789,750.56/1,184,624.88 = 257,270.72/x
  3. Step 3: Cross multiply
    789,750.56x = 1,184,624.88 × 257,270.72
  4. Step 4: Simplify right side
    789,750.56x = 304,769,295,807.51
  5. Step 5: Solve for x
    x = 304,769,295,807.51/789,750.56
  6. Step 6: Final answer
    x = 385,905.77

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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.