Home / 624,467.47-861,785.99-382,703.33

Finding the Fourth Proportional to 624,467.47, 861,785.99 and 382,703.33

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Solution

The fourth proportional to 624,467.47, 861,785.99 and 382,703.33 is: 528,143.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,467.47 : 861,785.99 = 382,703.33 : x
  2. Step 2: Convert to fraction form
    624,467.47/861,785.99 = 382,703.33/x
  3. Step 3: Cross multiply
    624,467.47x = 861,785.99 × 382,703.33
  4. Step 4: Simplify right side
    624,467.47x = 329,808,368,120.35
  5. Step 5: Solve for x
    x = 329,808,368,120.35/624,467.47
  6. Step 6: Final answer
    x = 528,143.39

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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.