Home / 903,667.12-1,355,106.93-304,516.60

Finding the Fourth Proportional to 903,667.12, 1,355,106.93 and 304,516.60

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Solution

The fourth proportional to 903,667.12, 1,355,106.93 and 304,516.60 is: 456,642.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,667.12 : 1,355,106.93 = 304,516.60 : x
  2. Step 2: Convert to fraction form
    903,667.12/1,355,106.93 = 304,516.60/x
  3. Step 3: Cross multiply
    903,667.12x = 1,355,106.93 × 304,516.60
  4. Step 4: Simplify right side
    903,667.12x = 412,652,554,960.04
  5. Step 5: Solve for x
    x = 412,652,554,960.04/903,667.12
  6. Step 6: Final answer
    x = 456,642.21

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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.