Home / 489,148.20-733,722.30-423,538.20

Finding the Fourth Proportional to 489,148.20, 733,722.30 and 423,538.20

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Solution

The fourth proportional to 489,148.20, 733,722.30 and 423,538.20 is: 635,307.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,148.20 : 733,722.30 = 423,538.20 : x
  2. Step 2: Convert to fraction form
    489,148.20/733,722.30 = 423,538.20/x
  3. Step 3: Cross multiply
    489,148.20x = 733,722.30 × 423,538.20
  4. Step 4: Simplify right side
    489,148.20x = 310,759,422,241.86
  5. Step 5: Solve for x
    x = 310,759,422,241.86/489,148.20
  6. Step 6: Final answer
    x = 635,307.30

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Similar ratio
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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.