Home / 880,357.62-1,320,536.52-459,535.08

Finding the Fourth Proportional to 880,357.62, 1,320,536.52 and 459,535.08

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Solution

The fourth proportional to 880,357.62, 1,320,536.52 and 459,535.08 is: 689,302.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,357.62 : 1,320,536.52 = 459,535.08 : x
  2. Step 2: Convert to fraction form
    880,357.62/1,320,536.52 = 459,535.08/x
  3. Step 3: Cross multiply
    880,357.62x = 1,320,536.52 × 459,535.08
  4. Step 4: Simplify right side
    880,357.62x = 606,832,855,361.12
  5. Step 5: Solve for x
    x = 606,832,855,361.12/880,357.62
  6. Step 6: Final answer
    x = 689,302.67

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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.