Home / 489,090.02-674,235.54-343,452.20

Finding the Fourth Proportional to 489,090.02, 674,235.54 and 343,452.20

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Solution

The fourth proportional to 489,090.02, 674,235.54 and 343,452.20 is: 473,466.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,090.02 : 674,235.54 = 343,452.20 : x
  2. Step 2: Convert to fraction form
    489,090.02/674,235.54 = 343,452.20/x
  3. Step 3: Cross multiply
    489,090.02x = 674,235.54 × 343,452.20
  4. Step 4: Simplify right side
    489,090.02x = 231,567,676,160.01
  5. Step 5: Solve for x
    x = 231,567,676,160.01/489,090.02
  6. Step 6: Final answer
    x = 473,466.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.