Home / 931,631.79-1,397,742.95-332,579.69

Finding the Fourth Proportional to 931,631.79, 1,397,742.95 and 332,579.69

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Solution

The fourth proportional to 931,631.79, 1,397,742.95 and 332,579.69 is: 498,974.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,631.79 : 1,397,742.95 = 332,579.69 : x
  2. Step 2: Convert to fraction form
    931,631.79/1,397,742.95 = 332,579.69/x
  3. Step 3: Cross multiply
    931,631.79x = 1,397,742.95 × 332,579.69
  4. Step 4: Simplify right side
    931,631.79x = 464,860,917,010.69
  5. Step 5: Solve for x
    x = 464,860,917,010.69/931,631.79
  6. Step 6: Final answer
    x = 498,974.94

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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.