Home / 764,447.41-1,054,910.85-492,526.77

Finding the Fourth Proportional to 764,447.41, 1,054,910.85 and 492,526.77

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Solution

The fourth proportional to 764,447.41, 1,054,910.85 and 492,526.77 is: 679,669.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,447.41 : 1,054,910.85 = 492,526.77 : x
  2. Step 2: Convert to fraction form
    764,447.41/1,054,910.85 = 492,526.77/x
  3. Step 3: Cross multiply
    764,447.41x = 1,054,910.85 × 492,526.77
  4. Step 4: Simplify right side
    764,447.41x = 519,571,833,588.46
  5. Step 5: Solve for x
    x = 519,571,833,588.46/764,447.41
  6. Step 6: Final answer
    x = 679,669.82

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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.