Home / 808,328.70-1,212,930.45-335,061.90

Finding the Fourth Proportional to 808,328.70, 1,212,930.45 and 335,061.90

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Solution

The fourth proportional to 808,328.70, 1,212,930.45 and 335,061.90 is: 502,774.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,328.70 : 1,212,930.45 = 335,061.90 : x
  2. Step 2: Convert to fraction form
    808,328.70/1,212,930.45 = 335,061.90/x
  3. Step 3: Cross multiply
    808,328.70x = 1,212,930.45 × 335,061.90
  4. Step 4: Simplify right side
    808,328.70x = 406,406,781,144.86
  5. Step 5: Solve for x
    x = 406,406,781,144.86/808,328.70
  6. Step 6: Final answer
    x = 502,774.16

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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.