Home / 495,675.03-684,029.13-280,814.58

Finding the Fourth Proportional to 495,675.03, 684,029.13 and 280,814.58

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Solution

The fourth proportional to 495,675.03, 684,029.13 and 280,814.58 is: 387,522.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,675.03 : 684,029.13 = 280,814.58 : x
  2. Step 2: Convert to fraction form
    495,675.03/684,029.13 = 280,814.58/x
  3. Step 3: Cross multiply
    495,675.03x = 684,029.13 × 280,814.58
  4. Step 4: Simplify right side
    495,675.03x = 192,085,352,848.72
  5. Step 5: Solve for x
    x = 192,085,352,848.72/495,675.03
  6. Step 6: Final answer
    x = 387,522.75

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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.