Home / 495,780.86-684,177.36-269,426.36

Finding the Fourth Proportional to 495,780.86, 684,177.36 and 269,426.36

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Solution

The fourth proportional to 495,780.86, 684,177.36 and 269,426.36 is: 371,808.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,780.86 : 684,177.36 = 269,426.36 : x
  2. Step 2: Convert to fraction form
    495,780.86/684,177.36 = 269,426.36/x
  3. Step 3: Cross multiply
    495,780.86x = 684,177.36 × 269,426.36
  4. Step 4: Simplify right side
    495,780.86x = 184,335,415,699.21
  5. Step 5: Solve for x
    x = 184,335,415,699.21/495,780.86
  6. Step 6: Final answer
    x = 371,808.25

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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.