Home / 763,597.52-1,145,543.60-290,245.87

Finding the Fourth Proportional to 763,597.52, 1,145,543.60 and 290,245.87

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Solution

The fourth proportional to 763,597.52, 1,145,543.60 and 290,245.87 is: 435,424.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,597.52 : 1,145,543.60 = 290,245.87 : x
  2. Step 2: Convert to fraction form
    763,597.52/1,145,543.60 = 290,245.87/x
  3. Step 3: Cross multiply
    763,597.52x = 1,145,543.60 × 290,245.87
  4. Step 4: Simplify right side
    763,597.52x = 332,489,298,804.93
  5. Step 5: Solve for x
    x = 332,489,298,804.93/763,597.52
  6. Step 6: Final answer
    x = 435,424.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.