Home / 1,535,433.57-2,303,067.15-470,478.78

Finding the Fourth Proportional to 1,535,433.57, 2,303,067.15 and 470,478.78

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Solution

The fourth proportional to 1,535,433.57, 2,303,067.15 and 470,478.78 is: 705,692.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,433.57 : 2,303,067.15 = 470,478.78 : x
  2. Step 2: Convert to fraction form
    1,535,433.57/2,303,067.15 = 470,478.78/x
  3. Step 3: Cross multiply
    1,535,433.57x = 2,303,067.15 × 470,478.78
  4. Step 4: Simplify right side
    1,535,433.57x = 1,083,544,222,990.08
  5. Step 5: Solve for x
    x = 1,083,544,222,990.08/1,535,433.57
  6. Step 6: Final answer
    x = 705,692.67

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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.