Home / 626,629.07-939,792.40-289,345.49

Finding the Fourth Proportional to 626,629.07, 939,792.40 and 289,345.49

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Solution

The fourth proportional to 626,629.07, 939,792.40 and 289,345.49 is: 433,948.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,629.07 : 939,792.40 = 289,345.49 : x
  2. Step 2: Convert to fraction form
    626,629.07/939,792.40 = 289,345.49/x
  3. Step 3: Cross multiply
    626,629.07x = 939,792.40 × 289,345.49
  4. Step 4: Simplify right side
    626,629.07x = 271,924,692,476.28
  5. Step 5: Solve for x
    x = 271,924,692,476.28/626,629.07
  6. Step 6: Final answer
    x = 433,948.42

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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.