Home / 808,369.48-1,213,399.50-335,335.72

Finding the Fourth Proportional to 808,369.48, 1,213,399.50 and 335,335.72

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Solution

The fourth proportional to 808,369.48, 1,213,399.50 and 335,335.72 is: 503,354.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,369.48 : 1,213,399.50 = 335,335.72 : x
  2. Step 2: Convert to fraction form
    808,369.48/1,213,399.50 = 335,335.72/x
  3. Step 3: Cross multiply
    808,369.48x = 1,213,399.50 × 335,335.72
  4. Step 4: Simplify right side
    808,369.48x = 406,896,194,980.14
  5. Step 5: Solve for x
    x = 406,896,194,980.14/808,369.48
  6. Step 6: Final answer
    x = 503,354.23

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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.