Home / 764,156.12-1,054,096.26-477,178.04

Finding the Fourth Proportional to 764,156.12, 1,054,096.26 and 477,178.04

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Solution

The fourth proportional to 764,156.12, 1,054,096.26 and 477,178.04 is: 658,231.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,156.12 : 1,054,096.26 = 477,178.04 : x
  2. Step 2: Convert to fraction form
    764,156.12/1,054,096.26 = 477,178.04/x
  3. Step 3: Cross multiply
    764,156.12x = 1,054,096.26 × 477,178.04
  4. Step 4: Simplify right side
    764,156.12x = 502,991,587,318.13
  5. Step 5: Solve for x
    x = 502,991,587,318.13/764,156.12
  6. Step 6: Final answer
    x = 658,231.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.