Home / 808,384.20-1,213,013.70-335,117.40

Finding the Fourth Proportional to 808,384.20, 1,213,013.70 and 335,117.40

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Solution

The fourth proportional to 808,384.20, 1,213,013.70 and 335,117.40 is: 502,857.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,384.20 : 1,213,013.70 = 335,117.40 : x
  2. Step 2: Convert to fraction form
    808,384.20/1,213,013.70 = 335,117.40/x
  3. Step 3: Cross multiply
    808,384.20x = 1,213,013.70 × 335,117.40
  4. Step 4: Simplify right side
    808,384.20x = 406,501,997,308.38
  5. Step 5: Solve for x
    x = 406,501,997,308.38/808,384.20
  6. Step 6: Final answer
    x = 502,857.43

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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.