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Finding the Fourth Proportional to 637,982.76, 956,648.82 and 211,364.67

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Solution

The fourth proportional to 637,982.76, 956,648.82 and 211,364.67 is: 316,939.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,982.76 : 956,648.82 = 211,364.67 : x
  2. Step 2: Convert to fraction form
    637,982.76/956,648.82 = 211,364.67/x
  3. Step 3: Cross multiply
    637,982.76x = 956,648.82 × 211,364.67
  4. Step 4: Simplify right side
    637,982.76x = 202,201,760,549.63
  5. Step 5: Solve for x
    x = 202,201,760,549.63/637,982.76
  6. Step 6: Final answer
    x = 316,939.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.