Home / 768,030.75-1,059,942.55-423,935

Finding the Fourth Proportional to 768,030.75, 1,059,942.55 and 423,935

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Solution

The fourth proportional to 768,030.75, 1,059,942.55 and 423,935 is: 585,063.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,030.75 : 1,059,942.55 = 423,935 : x
  2. Step 2: Convert to fraction form
    768,030.75/1,059,942.55 = 423,935/x
  3. Step 3: Cross multiply
    768,030.75x = 1,059,942.55 × 423,935
  4. Step 4: Simplify right side
    768,030.75x = 449,346,744,934.25
  5. Step 5: Solve for x
    x = 449,346,744,934.25/768,030.75
  6. Step 6: Final answer
    x = 585,063.48

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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.