Home / 436,635.45-602,556.81-243,038.97

Finding the Fourth Proportional to 436,635.45, 602,556.81 and 243,038.97

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Solution

The fourth proportional to 436,635.45, 602,556.81 and 243,038.97 is: 335,393.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,635.45 : 602,556.81 = 243,038.97 : x
  2. Step 2: Convert to fraction form
    436,635.45/602,556.81 = 243,038.97/x
  3. Step 3: Cross multiply
    436,635.45x = 602,556.81 × 243,038.97
  4. Step 4: Simplify right side
    436,635.45x = 146,444,786,468.89
  5. Step 5: Solve for x
    x = 146,444,786,468.89/436,635.45
  6. Step 6: Final answer
    x = 335,393.72

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1.5x scale

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.