Home / 774,763.70-1,162,145.55-564,811.70

Finding the Fourth Proportional to 774,763.70, 1,162,145.55 and 564,811.70

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Solution

The fourth proportional to 774,763.70, 1,162,145.55 and 564,811.70 is: 847,217.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,763.70 : 1,162,145.55 = 564,811.70 : x
  2. Step 2: Convert to fraction form
    774,763.70/1,162,145.55 = 564,811.70/x
  3. Step 3: Cross multiply
    774,763.70x = 1,162,145.55 × 564,811.70
  4. Step 4: Simplify right side
    774,763.70x = 656,393,403,742.94
  5. Step 5: Solve for x
    x = 656,393,403,742.94/774,763.70
  6. Step 6: Final answer
    x = 847,217.55

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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.