Home / 477,128.60-658,430.08-262,264.06

Finding the Fourth Proportional to 477,128.60, 658,430.08 and 262,264.06

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Solution

The fourth proportional to 477,128.60, 658,430.08 and 262,264.06 is: 361,920.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,128.60 : 658,430.08 = 262,264.06 : x
  2. Step 2: Convert to fraction form
    477,128.60/658,430.08 = 262,264.06/x
  3. Step 3: Cross multiply
    477,128.60x = 658,430.08 × 262,264.06
  4. Step 4: Simplify right side
    477,128.60x = 172,682,546,006.93
  5. Step 5: Solve for x
    x = 172,682,546,006.93/477,128.60
  6. Step 6: Final answer
    x = 361,920.34

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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.