Home / 439,933.72-659,848.74-346,466.20

Finding the Fourth Proportional to 439,933.72, 659,848.74 and 346,466.20

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Solution

The fourth proportional to 439,933.72, 659,848.74 and 346,466.20 is: 519,658.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,933.72 : 659,848.74 = 346,466.20 : x
  2. Step 2: Convert to fraction form
    439,933.72/659,848.74 = 346,466.20/x
  3. Step 3: Cross multiply
    439,933.72x = 659,848.74 × 346,466.20
  4. Step 4: Simplify right side
    439,933.72x = 228,615,285,522.59
  5. Step 5: Solve for x
    x = 228,615,285,522.59/439,933.72
  6. Step 6: Final answer
    x = 519,658.47

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1.5x scale

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.