Home / 756,019.68-1,043,304.96-416,488.32

Finding the Fourth Proportional to 756,019.68, 1,043,304.96 and 416,488.32

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Solution

The fourth proportional to 756,019.68, 1,043,304.96 and 416,488.32 is: 574,752.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,019.68 : 1,043,304.96 = 416,488.32 : x
  2. Step 2: Convert to fraction form
    756,019.68/1,043,304.96 = 416,488.32/x
  3. Step 3: Cross multiply
    756,019.68x = 1,043,304.96 × 416,488.32
  4. Step 4: Simplify right side
    756,019.68x = 434,524,330,038.07
  5. Step 5: Solve for x
    x = 434,524,330,038.07/756,019.68
  6. Step 6: Final answer
    x = 574,752.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.