Home / 743,696.96-1,026,298.72-421,468.32

Finding the Fourth Proportional to 743,696.96, 1,026,298.72 and 421,468.32

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Solution

The fourth proportional to 743,696.96, 1,026,298.72 and 421,468.32 is: 581,624.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,696.96 : 1,026,298.72 = 421,468.32 : x
  2. Step 2: Convert to fraction form
    743,696.96/1,026,298.72 = 421,468.32/x
  3. Step 3: Cross multiply
    743,696.96x = 1,026,298.72 × 421,468.32
  4. Step 4: Simplify right side
    743,696.96x = 432,552,397,336.55
  5. Step 5: Solve for x
    x = 432,552,397,336.55/743,696.96
  6. Step 6: Final answer
    x = 581,624.53

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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.