Home / 808,823.07-1,213,263.77-303,332.85

Finding the Fourth Proportional to 808,823.07, 1,213,263.77 and 303,332.85

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Solution

The fourth proportional to 808,823.07, 1,213,263.77 and 303,332.85 is: 455,010.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,823.07 : 1,213,263.77 = 303,332.85 : x
  2. Step 2: Convert to fraction form
    808,823.07/1,213,263.77 = 303,332.85/x
  3. Step 3: Cross multiply
    808,823.07x = 1,213,263.77 × 303,332.85
  4. Step 4: Simplify right side
    808,823.07x = 368,022,755,639.18
  5. Step 5: Solve for x
    x = 368,022,755,639.18/808,823.07
  6. Step 6: Final answer
    x = 455,010.21

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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.