Home / 764,129.55-1,054,498.94-424,597.80

Finding the Fourth Proportional to 764,129.55, 1,054,498.94 and 424,597.80

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Solution

The fourth proportional to 764,129.55, 1,054,498.94 and 424,597.80 is: 585,945.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,129.55 : 1,054,498.94 = 424,597.80 : x
  2. Step 2: Convert to fraction form
    764,129.55/1,054,498.94 = 424,597.80/x
  3. Step 3: Cross multiply
    764,129.55x = 1,054,498.94 × 424,597.80
  4. Step 4: Simplify right side
    764,129.55x = 447,737,927,903.34
  5. Step 5: Solve for x
    x = 447,737,927,903.34/764,129.55
  6. Step 6: Final answer
    x = 585,945.05

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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.