Home / 847,447-1,169,477.94-465,481.24

Finding the Fourth Proportional to 847,447, 1,169,477.94 and 465,481.24

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Solution

The fourth proportional to 847,447, 1,169,477.94 and 465,481.24 is: 642,364.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,447 : 1,169,477.94 = 465,481.24 : x
  2. Step 2: Convert to fraction form
    847,447/1,169,477.94 = 465,481.24/x
  3. Step 3: Cross multiply
    847,447x = 1,169,477.94 × 465,481.24
  4. Step 4: Simplify right side
    847,447x = 544,370,041,663.85
  5. Step 5: Solve for x
    x = 544,370,041,663.85/847,447
  6. Step 6: Final answer
    x = 642,364.70

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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.