Home / 495,018.62-683,434.23-340,236.43

Finding the Fourth Proportional to 495,018.62, 683,434.23 and 340,236.43

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Solution

The fourth proportional to 495,018.62, 683,434.23 and 340,236.43 is: 469,738.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,018.62 : 683,434.23 = 340,236.43 : x
  2. Step 2: Convert to fraction form
    495,018.62/683,434.23 = 340,236.43/x
  3. Step 3: Cross multiply
    495,018.62x = 683,434.23 × 340,236.43
  4. Step 4: Simplify right side
    495,018.62x = 232,529,224,688.88
  5. Step 5: Solve for x
    x = 232,529,224,688.88/495,018.62
  6. Step 6: Final answer
    x = 469,738.34

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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.