Home / 497,550.06-686,076.51-336,124.86

Finding the Fourth Proportional to 497,550.06, 686,076.51 and 336,124.86

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Solution

The fourth proportional to 497,550.06, 686,076.51 and 336,124.86 is: 463,485.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,550.06 : 686,076.51 = 336,124.86 : x
  2. Step 2: Convert to fraction form
    497,550.06/686,076.51 = 336,124.86/x
  3. Step 3: Cross multiply
    497,550.06x = 686,076.51 × 336,124.86
  4. Step 4: Simplify right side
    497,550.06x = 230,607,370,873.04
  5. Step 5: Solve for x
    x = 230,607,370,873.04/497,550.06
  6. Step 6: Final answer
    x = 463,485.77

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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.