Home / 923,117.77-1,385,295.15-324,080.69

Finding the Fourth Proportional to 923,117.77, 1,385,295.15 and 324,080.69

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Solution

The fourth proportional to 923,117.77, 1,385,295.15 and 324,080.69 is: 486,338.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,117.77 : 1,385,295.15 = 324,080.69 : x
  2. Step 2: Convert to fraction form
    923,117.77/1,385,295.15 = 324,080.69/x
  3. Step 3: Cross multiply
    923,117.77x = 1,385,295.15 × 324,080.69
  4. Step 4: Simplify right side
    923,117.77x = 448,947,408,065.65
  5. Step 5: Solve for x
    x = 448,947,408,065.65/923,117.77
  6. Step 6: Final answer
    x = 486,338.17

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1.5x scale

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.