Home / 657,077.49-906,595.54-384,999.21

Finding the Fourth Proportional to 657,077.49, 906,595.54 and 384,999.21

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Solution

The fourth proportional to 657,077.49, 906,595.54 and 384,999.21 is: 531,198.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,077.49 : 906,595.54 = 384,999.21 : x
  2. Step 2: Convert to fraction form
    657,077.49/906,595.54 = 384,999.21/x
  3. Step 3: Cross multiply
    657,077.49x = 906,595.54 × 384,999.21
  4. Step 4: Simplify right side
    657,077.49x = 349,038,565,727.03
  5. Step 5: Solve for x
    x = 349,038,565,727.03/657,077.49
  6. Step 6: Final answer
    x = 531,198.48

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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.