Home / 808,442.70-1,213,101.45-335,175.90

Finding the Fourth Proportional to 808,442.70, 1,213,101.45 and 335,175.90

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Solution

The fourth proportional to 808,442.70, 1,213,101.45 and 335,175.90 is: 502,945.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,442.70 : 1,213,101.45 = 335,175.90 : x
  2. Step 2: Convert to fraction form
    808,442.70/1,213,101.45 = 335,175.90/x
  3. Step 3: Cross multiply
    808,442.70x = 1,213,101.45 × 335,175.90
  4. Step 4: Simplify right side
    808,442.70x = 406,602,370,295.06
  5. Step 5: Solve for x
    x = 406,602,370,295.06/808,442.70
  6. Step 6: Final answer
    x = 502,945.19

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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.