Home / 809,894.08-1,117,796.93-465,702.81

Finding the Fourth Proportional to 809,894.08, 1,117,796.93 and 465,702.81

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Solution

The fourth proportional to 809,894.08, 1,117,796.93 and 465,702.81 is: 642,752.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,894.08 : 1,117,796.93 = 465,702.81 : x
  2. Step 2: Convert to fraction form
    809,894.08/1,117,796.93 = 465,702.81/x
  3. Step 3: Cross multiply
    809,894.08x = 1,117,796.93 × 465,702.81
  4. Step 4: Simplify right side
    809,894.08x = 520,561,171,310.37
  5. Step 5: Solve for x
    x = 520,561,171,310.37/809,894.08
  6. Step 6: Final answer
    x = 642,752.16

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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.