Home / 804,315.60-1,207,348.20-450,021.60

Finding the Fourth Proportional to 804,315.60, 1,207,348.20 and 450,021.60

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Solution

The fourth proportional to 804,315.60, 1,207,348.20 and 450,021.60 is: 675,521.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,315.60 : 1,207,348.20 = 450,021.60 : x
  2. Step 2: Convert to fraction form
    804,315.60/1,207,348.20 = 450,021.60/x
  3. Step 3: Cross multiply
    804,315.60x = 1,207,348.20 × 450,021.60
  4. Step 4: Simplify right side
    804,315.60x = 543,332,768,721.12
  5. Step 5: Solve for x
    x = 543,332,768,721.12/804,315.60
  6. Step 6: Final answer
    x = 675,521.86

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1.5x scale

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.