Home / 807,826.40-1,211,642.40-334,462.40

Finding the Fourth Proportional to 807,826.40, 1,211,642.40 and 334,462.40

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Solution

The fourth proportional to 807,826.40, 1,211,642.40 and 334,462.40 is: 501,653.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,826.40 : 1,211,642.40 = 334,462.40 : x
  2. Step 2: Convert to fraction form
    807,826.40/1,211,642.40 = 334,462.40/x
  3. Step 3: Cross multiply
    807,826.40x = 1,211,642.40 × 334,462.40
  4. Step 4: Simplify right side
    807,826.40x = 405,248,825,045.76
  5. Step 5: Solve for x
    x = 405,248,825,045.76/807,826.40
  6. Step 6: Final answer
    x = 501,653.36

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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.