Home / 740,292.48-1,110,672-319,766.40

Finding the Fourth Proportional to 740,292.48, 1,110,672 and 319,766.40

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Solution

The fourth proportional to 740,292.48, 1,110,672 and 319,766.40 is: 479,750.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,292.48 : 1,110,672 = 319,766.40 : x
  2. Step 2: Convert to fraction form
    740,292.48/1,110,672 = 319,766.40/x
  3. Step 3: Cross multiply
    740,292.48x = 1,110,672 × 319,766.40
  4. Step 4: Simplify right side
    740,292.48x = 355,155,587,020.80
  5. Step 5: Solve for x
    x = 355,155,587,020.80/740,292.48
  6. Step 6: Final answer
    x = 479,750.36

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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.