Home / 793,314.72-1,190,205.36-319,756.32

Finding the Fourth Proportional to 793,314.72, 1,190,205.36 and 319,756.32

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Solution

The fourth proportional to 793,314.72, 1,190,205.36 and 319,756.32 is: 479,728.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,314.72 : 1,190,205.36 = 319,756.32 : x
  2. Step 2: Convert to fraction form
    793,314.72/1,190,205.36 = 319,756.32/x
  3. Step 3: Cross multiply
    793,314.72x = 1,190,205.36 × 319,756.32
  4. Step 4: Simplify right side
    793,314.72x = 380,575,685,957.88
  5. Step 5: Solve for x
    x = 380,575,685,957.88/793,314.72
  6. Step 6: Final answer
    x = 479,728.51

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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.