Home / 942,428.89-1,413,636.74-381,455.29

Finding the Fourth Proportional to 942,428.89, 1,413,636.74 and 381,455.29

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Solution

The fourth proportional to 942,428.89, 1,413,636.74 and 381,455.29 is: 572,180.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,428.89 : 1,413,636.74 = 381,455.29 : x
  2. Step 2: Convert to fraction form
    942,428.89/1,413,636.74 = 381,455.29/x
  3. Step 3: Cross multiply
    942,428.89x = 1,413,636.74 × 381,455.29
  4. Step 4: Simplify right side
    942,428.89x = 539,239,210,704.08
  5. Step 5: Solve for x
    x = 539,239,210,704.08/942,428.89
  6. Step 6: Final answer
    x = 572,180.26

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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.