Home / 495,740.04-684,121.32-269,385

Finding the Fourth Proportional to 495,740.04, 684,121.32 and 269,385

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Solution

The fourth proportional to 495,740.04, 684,121.32 and 269,385 is: 371,751.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,740.04 : 684,121.32 = 269,385 : x
  2. Step 2: Convert to fraction form
    495,740.04/684,121.32 = 269,385/x
  3. Step 3: Cross multiply
    495,740.04x = 684,121.32 × 269,385
  4. Step 4: Simplify right side
    495,740.04x = 184,292,021,788.20
  5. Step 5: Solve for x
    x = 184,292,021,788.20/495,740.04
  6. Step 6: Final answer
    x = 371,751.34

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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.