Home / 1,038,228.48-1,557,333.05-328,256.60

Finding the Fourth Proportional to 1,038,228.48, 1,557,333.05 and 328,256.60

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Solution

The fourth proportional to 1,038,228.48, 1,557,333.05 and 328,256.60 is: 492,381.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,228.48 : 1,557,333.05 = 328,256.60 : x
  2. Step 2: Convert to fraction form
    1,038,228.48/1,557,333.05 = 328,256.60/x
  3. Step 3: Cross multiply
    1,038,228.48x = 1,557,333.05 × 328,256.60
  4. Step 4: Simplify right side
    1,038,228.48x = 511,204,842,632.68
  5. Step 5: Solve for x
    x = 511,204,842,632.68/1,038,228.48
  6. Step 6: Final answer
    x = 492,381.83

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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.