Home / 832,518.11-1,248,011.72-299,908.89

Finding the Fourth Proportional to 832,518.11, 1,248,011.72 and 299,908.89

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Solution

The fourth proportional to 832,518.11, 1,248,011.72 and 299,908.89 is: 449,587.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,518.11 : 1,248,011.72 = 299,908.89 : x
  2. Step 2: Convert to fraction form
    832,518.11/1,248,011.72 = 299,908.89/x
  3. Step 3: Cross multiply
    832,518.11x = 1,248,011.72 × 299,908.89
  4. Step 4: Simplify right side
    832,518.11x = 374,289,809,277.31
  5. Step 5: Solve for x
    x = 374,289,809,277.31/832,518.11
  6. Step 6: Final answer
    x = 449,587.59

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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.