Home / 489,962.60-734,166.30-323,556.20

Finding the Fourth Proportional to 489,962.60, 734,166.30 and 323,556.20

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Solution

The fourth proportional to 489,962.60, 734,166.30 and 323,556.20 is: 484,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,962.60 : 734,166.30 = 323,556.20 : x
  2. Step 2: Convert to fraction form
    489,962.60/734,166.30 = 323,556.20/x
  3. Step 3: Cross multiply
    489,962.60x = 734,166.30 × 323,556.20
  4. Step 4: Simplify right side
    489,962.60x = 237,544,058,196.06
  5. Step 5: Solve for x
    x = 237,544,058,196.06/489,962.60
  6. Step 6: Final answer
    x = 484,820.80

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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.