Home / 740,340.05-1,110,954.36-319,615.52

Finding the Fourth Proportional to 740,340.05, 1,110,954.36 and 319,615.52

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Solution

The fourth proportional to 740,340.05, 1,110,954.36 and 319,615.52 is: 479,615.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,340.05 : 1,110,954.36 = 319,615.52 : x
  2. Step 2: Convert to fraction form
    740,340.05/1,110,954.36 = 319,615.52/x
  3. Step 3: Cross multiply
    740,340.05x = 1,110,954.36 × 319,615.52
  4. Step 4: Simplify right side
    740,340.05x = 355,078,255,467.67
  5. Step 5: Solve for x
    x = 355,078,255,467.67/740,340.05
  6. Step 6: Final answer
    x = 479,615.08

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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.