Home / 909,448.56-1,364,312.96-310,270.04

Finding the Fourth Proportional to 909,448.56, 1,364,312.96 and 310,270.04

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Solution

The fourth proportional to 909,448.56, 1,364,312.96 and 310,270.04 is: 465,452.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,448.56 : 1,364,312.96 = 310,270.04 : x
  2. Step 2: Convert to fraction form
    909,448.56/1,364,312.96 = 310,270.04/x
  3. Step 3: Cross multiply
    909,448.56x = 1,364,312.96 × 310,270.04
  4. Step 4: Simplify right side
    909,448.56x = 423,305,436,671.72
  5. Step 5: Solve for x
    x = 423,305,436,671.72/909,448.56
  6. Step 6: Final answer
    x = 465,452.87

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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.