Home / 495,325.70-683,557.41-280,460.02

Finding the Fourth Proportional to 495,325.70, 683,557.41 and 280,460.02

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Solution

The fourth proportional to 495,325.70, 683,557.41 and 280,460.02 is: 387,039.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,325.70 : 683,557.41 = 280,460.02 : x
  2. Step 2: Convert to fraction form
    495,325.70/683,557.41 = 280,460.02/x
  3. Step 3: Cross multiply
    495,325.70x = 683,557.41 × 280,460.02
  4. Step 4: Simplify right side
    495,325.70x = 191,710,524,879.75
  5. Step 5: Solve for x
    x = 191,710,524,879.75/495,325.70
  6. Step 6: Final answer
    x = 387,039.33

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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.