Home / 438,829.60-658,244.40-404,615.20

Finding the Fourth Proportional to 438,829.60, 658,244.40 and 404,615.20

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Solution

The fourth proportional to 438,829.60, 658,244.40 and 404,615.20 is: 606,922.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,829.60 : 658,244.40 = 404,615.20 : x
  2. Step 2: Convert to fraction form
    438,829.60/658,244.40 = 404,615.20/x
  3. Step 3: Cross multiply
    438,829.60x = 658,244.40 × 404,615.20
  4. Step 4: Simplify right side
    438,829.60x = 266,335,689,554.88
  5. Step 5: Solve for x
    x = 266,335,689,554.88/438,829.60
  6. Step 6: Final answer
    x = 606,922.80

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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.