Home / 763,806.86-1,054,023.98-424,296.62

Finding the Fourth Proportional to 763,806.86, 1,054,023.98 and 424,296.62

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Solution

The fourth proportional to 763,806.86, 1,054,023.98 and 424,296.62 is: 585,512.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,806.86 : 1,054,023.98 = 424,296.62 : x
  2. Step 2: Convert to fraction form
    763,806.86/1,054,023.98 = 424,296.62/x
  3. Step 3: Cross multiply
    763,806.86x = 1,054,023.98 × 424,296.62
  4. Step 4: Simplify right side
    763,806.86x = 447,218,812,112.95
  5. Step 5: Solve for x
    x = 447,218,812,112.95/763,806.86
  6. Step 6: Final answer
    x = 585,512.96

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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.