Home / 776,716.05-1,163,581.44-476,320.67

Finding the Fourth Proportional to 776,716.05, 1,163,581.44 and 476,320.67

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Solution

The fourth proportional to 776,716.05, 1,163,581.44 and 476,320.67 is: 713,565.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,716.05 : 1,163,581.44 = 476,320.67 : x
  2. Step 2: Convert to fraction form
    776,716.05/1,163,581.44 = 476,320.67/x
  3. Step 3: Cross multiply
    776,716.05x = 1,163,581.44 × 476,320.67
  4. Step 4: Simplify right side
    776,716.05x = 554,237,885,282.46
  5. Step 5: Solve for x
    x = 554,237,885,282.46/776,716.05
  6. Step 6: Final answer
    x = 713,565.64

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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.