Home / 871,237.20-1,307,021.58-302,596.68

Finding the Fourth Proportional to 871,237.20, 1,307,021.58 and 302,596.68

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Solution

The fourth proportional to 871,237.20, 1,307,021.58 and 302,596.68 is: 453,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,237.20 : 1,307,021.58 = 302,596.68 : x
  2. Step 2: Convert to fraction form
    871,237.20/1,307,021.58 = 302,596.68/x
  3. Step 3: Cross multiply
    871,237.20x = 1,307,021.58 × 302,596.68
  4. Step 4: Simplify right side
    871,237.20x = 395,500,390,796.35
  5. Step 5: Solve for x
    x = 395,500,390,796.35/871,237.20
  6. Step 6: Final answer
    x = 453,952.60

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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.