Home / 764,148.46-1,054,197.84-477,170.32

Finding the Fourth Proportional to 764,148.46, 1,054,197.84 and 477,170.32

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Solution

The fourth proportional to 764,148.46, 1,054,197.84 and 477,170.32 is: 658,290.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,148.46 : 1,054,197.84 = 477,170.32 : x
  2. Step 2: Convert to fraction form
    764,148.46/1,054,197.84 = 477,170.32/x
  3. Step 3: Cross multiply
    764,148.46x = 1,054,197.84 × 477,170.32
  4. Step 4: Simplify right side
    764,148.46x = 503,031,920,656.11
  5. Step 5: Solve for x
    x = 503,031,920,656.11/764,148.46
  6. Step 6: Final answer
    x = 658,290.83

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Double scale
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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.