Home / 909,480.60-1,364,225.40-235,514.64

Finding the Fourth Proportional to 909,480.60, 1,364,225.40 and 235,514.64

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Solution

The fourth proportional to 909,480.60, 1,364,225.40 and 235,514.64 is: 353,273.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,480.60 : 1,364,225.40 = 235,514.64 : x
  2. Step 2: Convert to fraction form
    909,480.60/1,364,225.40 = 235,514.64/x
  3. Step 3: Cross multiply
    909,480.60x = 1,364,225.40 × 235,514.64
  4. Step 4: Simplify right side
    909,480.60x = 321,295,053,959.86
  5. Step 5: Solve for x
    x = 321,295,053,959.86/909,480.60
  6. Step 6: Final answer
    x = 353,273.13

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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.