Home / 495,969.30-684,512.33-302,489.25

Finding the Fourth Proportional to 495,969.30, 684,512.33 and 302,489.25

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Solution

The fourth proportional to 495,969.30, 684,512.33 and 302,489.25 is: 417,480.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,969.30 : 684,512.33 = 302,489.25 : x
  2. Step 2: Convert to fraction form
    495,969.30/684,512.33 = 302,489.25/x
  3. Step 3: Cross multiply
    495,969.30x = 684,512.33 × 302,489.25
  4. Step 4: Simplify right side
    495,969.30x = 207,057,619,805.01
  5. Step 5: Solve for x
    x = 207,057,619,805.01/495,969.30
  6. Step 6: Final answer
    x = 417,480.72

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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.