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Finding the Fourth Proportional to 495,683.74, 684,047.73 and 269,329.24

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Solution

The fourth proportional to 495,683.74, 684,047.73 and 269,329.24 is: 371,676.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,683.74 : 684,047.73 = 269,329.24 : x
  2. Step 2: Convert to fraction form
    495,683.74/684,047.73 = 269,329.24/x
  3. Step 3: Cross multiply
    495,683.74x = 684,047.73 × 269,329.24
  4. Step 4: Simplify right side
    495,683.74x = 184,234,055,244.63
  5. Step 5: Solve for x
    x = 184,234,055,244.63/495,683.74
  6. Step 6: Final answer
    x = 371,676.62

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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.