Home / 807,263.63-1,210,894.73-380,699.95

Finding the Fourth Proportional to 807,263.63, 1,210,894.73 and 380,699.95

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Solution

The fourth proportional to 807,263.63, 1,210,894.73 and 380,699.95 is: 571,049.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,263.63 : 1,210,894.73 = 380,699.95 : x
  2. Step 2: Convert to fraction form
    807,263.63/1,210,894.73 = 380,699.95/x
  3. Step 3: Cross multiply
    807,263.63x = 1,210,894.73 × 380,699.95
  4. Step 4: Simplify right side
    807,263.63x = 460,987,561,262.76
  5. Step 5: Solve for x
    x = 460,987,561,262.76/807,263.63
  6. Step 6: Final answer
    x = 571,049.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.