Home / 764,446.41-1,054,909.47-492,525.77

Finding the Fourth Proportional to 764,446.41, 1,054,909.47 and 492,525.77

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Solution

The fourth proportional to 764,446.41, 1,054,909.47 and 492,525.77 is: 679,668.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,446.41 : 1,054,909.47 = 492,525.77 : x
  2. Step 2: Convert to fraction form
    764,446.41/1,054,909.47 = 492,525.77/x
  3. Step 3: Cross multiply
    764,446.41x = 1,054,909.47 × 492,525.77
  4. Step 4: Simplify right side
    764,446.41x = 519,570,095,564.47
  5. Step 5: Solve for x
    x = 519,570,095,564.47/764,446.41
  6. Step 6: Final answer
    x = 679,668.44

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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.