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Finding the Fourth Proportional to 637,162.76, 879,277.92 and 350,676.68

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Solution

The fourth proportional to 637,162.76, 879,277.92 and 350,676.68 is: 483,930.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,162.76 : 879,277.92 = 350,676.68 : x
  2. Step 2: Convert to fraction form
    637,162.76/879,277.92 = 350,676.68/x
  3. Step 3: Cross multiply
    637,162.76x = 879,277.92 × 350,676.68
  4. Step 4: Simplify right side
    637,162.76x = 308,342,261,782.91
  5. Step 5: Solve for x
    x = 308,342,261,782.91/637,162.76
  6. Step 6: Final answer
    x = 483,930.14

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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.