Home / 764,396.70-1,054,881.27-442,124.70

Finding the Fourth Proportional to 764,396.70, 1,054,881.27 and 442,124.70

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Solution

The fourth proportional to 764,396.70, 1,054,881.27 and 442,124.70 is: 610,140.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,396.70 : 1,054,881.27 = 442,124.70 : x
  2. Step 2: Convert to fraction form
    764,396.70/1,054,881.27 = 442,124.70/x
  3. Step 3: Cross multiply
    764,396.70x = 1,054,881.27 × 442,124.70
  4. Step 4: Simplify right side
    764,396.70x = 466,389,065,034.37
  5. Step 5: Solve for x
    x = 466,389,065,034.37/764,396.70
  6. Step 6: Final answer
    x = 610,140.08

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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.