Home / 630,467.20-946,575.60-394,271.20

Finding the Fourth Proportional to 630,467.20, 946,575.60 and 394,271.20

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Solution

The fourth proportional to 630,467.20, 946,575.60 and 394,271.20 is: 591,953.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,467.20 : 946,575.60 = 394,271.20 : x
  2. Step 2: Convert to fraction form
    630,467.20/946,575.60 = 394,271.20/x
  3. Step 3: Cross multiply
    630,467.20x = 946,575.60 × 394,271.20
  4. Step 4: Simplify right side
    630,467.20x = 373,207,497,702.72
  5. Step 5: Solve for x
    x = 373,207,497,702.72/630,467.20
  6. Step 6: Final answer
    x = 591,953.87

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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.