Home / 871,479.48-1,307,429.37-302,777.82

Finding the Fourth Proportional to 871,479.48, 1,307,429.37 and 302,777.82

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Solution

The fourth proportional to 871,479.48, 1,307,429.37 and 302,777.82 is: 454,239.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,479.48 : 1,307,429.37 = 302,777.82 : x
  2. Step 2: Convert to fraction form
    871,479.48/1,307,429.37 = 302,777.82/x
  3. Step 3: Cross multiply
    871,479.48x = 1,307,429.37 × 302,777.82
  4. Step 4: Simplify right side
    871,479.48x = 395,860,614,452.57
  5. Step 5: Solve for x
    x = 395,860,614,452.57/871,479.48
  6. Step 6: Final answer
    x = 454,239.74

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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.