Home / 987,637.67-1,363,050.59-557,945.48

Finding the Fourth Proportional to 987,637.67, 1,363,050.59 and 557,945.48

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Solution

The fourth proportional to 987,637.67, 1,363,050.59 and 557,945.48 is: 770,027.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,637.67 : 1,363,050.59 = 557,945.48 : x
  2. Step 2: Convert to fraction form
    987,637.67/1,363,050.59 = 557,945.48/x
  3. Step 3: Cross multiply
    987,637.67x = 1,363,050.59 × 557,945.48
  4. Step 4: Simplify right side
    987,637.67x = 760,507,910,281.44
  5. Step 5: Solve for x
    x = 760,507,910,281.44/987,637.67
  6. Step 6: Final answer
    x = 770,027.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.