Home / 648,837.98-888,893.13-624,579.29

Finding the Fourth Proportional to 648,837.98, 888,893.13 and 624,579.29

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Solution

The fourth proportional to 648,837.98, 888,893.13 and 624,579.29 is: 855,659.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,837.98 : 888,893.13 = 624,579.29 : x
  2. Step 2: Convert to fraction form
    648,837.98/888,893.13 = 624,579.29/x
  3. Step 3: Cross multiply
    648,837.98x = 888,893.13 × 624,579.29
  4. Step 4: Simplify right side
    648,837.98x = 555,184,240,021.28
  5. Step 5: Solve for x
    x = 555,184,240,021.28/648,837.98
  6. Step 6: Final answer
    x = 855,659.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.