Home / 438,964.40-658,665.30-249,570.20

Finding the Fourth Proportional to 438,964.40, 658,665.30 and 249,570.20

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Solution

The fourth proportional to 438,964.40, 658,665.30 and 249,570.20 is: 374,479.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,964.40 : 658,665.30 = 249,570.20 : x
  2. Step 2: Convert to fraction form
    438,964.40/658,665.30 = 249,570.20/x
  3. Step 3: Cross multiply
    438,964.40x = 658,665.30 × 249,570.20
  4. Step 4: Simplify right side
    438,964.40x = 164,383,230,654.06
  5. Step 5: Solve for x
    x = 164,383,230,654.06/438,964.40
  6. Step 6: Final answer
    x = 374,479.64

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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.