Home / 832,049.29-1,147,863.35-487,710.67

Finding the Fourth Proportional to 832,049.29, 1,147,863.35 and 487,710.67

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Solution

The fourth proportional to 832,049.29, 1,147,863.35 and 487,710.67 is: 672,826.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,049.29 : 1,147,863.35 = 487,710.67 : x
  2. Step 2: Convert to fraction form
    832,049.29/1,147,863.35 = 487,710.67/x
  3. Step 3: Cross multiply
    832,049.29x = 1,147,863.35 × 487,710.67
  4. Step 4: Simplify right side
    832,049.29x = 559,825,201,058.39
  5. Step 5: Solve for x
    x = 559,825,201,058.39/832,049.29
  6. Step 6: Final answer
    x = 672,826.97

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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.