Home / 915,837.44-1,373,411.09-383,395.28

Finding the Fourth Proportional to 915,837.44, 1,373,411.09 and 383,395.28

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Solution

The fourth proportional to 915,837.44, 1,373,411.09 and 383,395.28 is: 574,948.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,837.44 : 1,373,411.09 = 383,395.28 : x
  2. Step 2: Convert to fraction form
    915,837.44/1,373,411.09 = 383,395.28/x
  3. Step 3: Cross multiply
    915,837.44x = 1,373,411.09 × 383,395.28
  4. Step 4: Simplify right side
    915,837.44x = 526,559,323,497.09
  5. Step 5: Solve for x
    x = 526,559,323,497.09/915,837.44
  6. Step 6: Final answer
    x = 574,948.46

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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.