Home / 764,137.35-1,054,182.47-477,159.21

Finding the Fourth Proportional to 764,137.35, 1,054,182.47 and 477,159.21

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Solution

The fourth proportional to 764,137.35, 1,054,182.47 and 477,159.21 is: 658,275.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,137.35 : 1,054,182.47 = 477,159.21 : x
  2. Step 2: Convert to fraction form
    764,137.35/1,054,182.47 = 477,159.21/x
  3. Step 3: Cross multiply
    764,137.35x = 1,054,182.47 × 477,159.21
  4. Step 4: Simplify right side
    764,137.35x = 503,012,872,195.25
  5. Step 5: Solve for x
    x = 503,012,872,195.25/764,137.35
  6. Step 6: Final answer
    x = 658,275.47

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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.