Home / 903,611.39-1,355,426.81-272,530.67

Finding the Fourth Proportional to 903,611.39, 1,355,426.81 and 272,530.67

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Solution

The fourth proportional to 903,611.39, 1,355,426.81 and 272,530.67 is: 408,798.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,611.39 : 1,355,426.81 = 272,530.67 : x
  2. Step 2: Convert to fraction form
    903,611.39/1,355,426.81 = 272,530.67/x
  3. Step 3: Cross multiply
    903,611.39x = 1,355,426.81 × 272,530.67
  4. Step 4: Simplify right side
    903,611.39x = 369,395,380,735.16
  5. Step 5: Solve for x
    x = 369,395,380,735.16/903,611.39
  6. Step 6: Final answer
    x = 408,798.94

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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.