Home / 438,986.48-657,602.68-202,004.24

Finding the Fourth Proportional to 438,986.48, 657,602.68 and 202,004.24

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Solution

The fourth proportional to 438,986.48, 657,602.68 and 202,004.24 is: 302,602.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,986.48 : 657,602.68 = 202,004.24 : x
  2. Step 2: Convert to fraction form
    438,986.48/657,602.68 = 202,004.24/x
  3. Step 3: Cross multiply
    438,986.48x = 657,602.68 × 202,004.24
  4. Step 4: Simplify right side
    438,986.48x = 132,838,529,595.36
  5. Step 5: Solve for x
    x = 132,838,529,595.36/438,986.48
  6. Step 6: Final answer
    x = 302,602.78

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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.