Home / 471,901.36-651,366.16-321,085.84

Finding the Fourth Proportional to 471,901.36, 651,366.16 and 321,085.84

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Solution

The fourth proportional to 471,901.36, 651,366.16 and 321,085.84 is: 443,195.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,901.36 : 651,366.16 = 321,085.84 : x
  2. Step 2: Convert to fraction form
    471,901.36/651,366.16 = 321,085.84/x
  3. Step 3: Cross multiply
    471,901.36x = 651,366.16 × 321,085.84
  4. Step 4: Simplify right side
    471,901.36x = 209,144,450,631.17
  5. Step 5: Solve for x
    x = 209,144,450,631.17/471,901.36
  6. Step 6: Final answer
    x = 443,195.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.