Home / 873,981.45-1,206,075.87-486,795.69

Finding the Fourth Proportional to 873,981.45, 1,206,075.87 and 486,795.69

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Solution

The fourth proportional to 873,981.45, 1,206,075.87 and 486,795.69 is: 671,767.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,981.45 : 1,206,075.87 = 486,795.69 : x
  2. Step 2: Convert to fraction form
    873,981.45/1,206,075.87 = 486,795.69/x
  3. Step 3: Cross multiply
    873,981.45x = 1,206,075.87 × 486,795.69
  4. Step 4: Simplify right side
    873,981.45x = 587,112,535,329.00
  5. Step 5: Solve for x
    x = 587,112,535,329.00/873,981.45
  6. Step 6: Final answer
    x = 671,767.73

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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.