Home / 748,364.64-1,122,556.56-249,728.64

Finding the Fourth Proportional to 748,364.64, 1,122,556.56 and 249,728.64

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Solution

The fourth proportional to 748,364.64, 1,122,556.56 and 249,728.64 is: 374,596.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,364.64 : 1,122,556.56 = 249,728.64 : x
  2. Step 2: Convert to fraction form
    748,364.64/1,122,556.56 = 249,728.64/x
  3. Step 3: Cross multiply
    748,364.64x = 1,122,556.56 × 249,728.64
  4. Step 4: Simplify right side
    748,364.64x = 280,334,523,051.88
  5. Step 5: Solve for x
    x = 280,334,523,051.88/748,364.64
  6. Step 6: Final answer
    x = 374,596.16

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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.