Home / 740,293.48-1,110,673.50-319,767.40

Finding the Fourth Proportional to 740,293.48, 1,110,673.50 and 319,767.40

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Solution

The fourth proportional to 740,293.48, 1,110,673.50 and 319,767.40 is: 479,751.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,293.48 : 1,110,673.50 = 319,767.40 : x
  2. Step 2: Convert to fraction form
    740,293.48/1,110,673.50 = 319,767.40/x
  3. Step 3: Cross multiply
    740,293.48x = 1,110,673.50 × 319,767.40
  4. Step 4: Simplify right side
    740,293.48x = 355,157,177,343.90
  5. Step 5: Solve for x
    x = 355,157,177,343.90/740,293.48
  6. Step 6: Final answer
    x = 479,751.86

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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.