Home / 740,339.55-1,110,953.61-319,615.02

Finding the Fourth Proportional to 740,339.55, 1,110,953.61 and 319,615.02

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Solution

The fourth proportional to 740,339.55, 1,110,953.61 and 319,615.02 is: 479,614.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,339.55 : 1,110,953.61 = 319,615.02 : x
  2. Step 2: Convert to fraction form
    740,339.55/1,110,953.61 = 319,615.02/x
  3. Step 3: Cross multiply
    740,339.55x = 1,110,953.61 × 319,615.02
  4. Step 4: Simplify right side
    740,339.55x = 355,077,460,279.22
  5. Step 5: Solve for x
    x = 355,077,460,279.22/740,339.55
  6. Step 6: Final answer
    x = 479,614.33

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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.