Home / 637,637.40-955,406.25-445,531.32

Finding the Fourth Proportional to 637,637.40, 955,406.25 and 445,531.32

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Solution

The fourth proportional to 637,637.40, 955,406.25 and 445,531.32 is: 667,563.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,637.40 : 955,406.25 = 445,531.32 : x
  2. Step 2: Convert to fraction form
    637,637.40/955,406.25 = 445,531.32/x
  3. Step 3: Cross multiply
    637,637.40x = 955,406.25 × 445,531.32
  4. Step 4: Simplify right side
    637,637.40x = 425,663,407,698.75
  5. Step 5: Solve for x
    x = 425,663,407,698.75/637,637.40
  6. Step 6: Final answer
    x = 667,563.43

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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.