Home / 820,186.02-1,131,857.82-480,654

Finding the Fourth Proportional to 820,186.02, 1,131,857.82 and 480,654

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Solution

The fourth proportional to 820,186.02, 1,131,857.82 and 480,654 is: 663,303.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,186.02 : 1,131,857.82 = 480,654 : x
  2. Step 2: Convert to fraction form
    820,186.02/1,131,857.82 = 480,654/x
  3. Step 3: Cross multiply
    820,186.02x = 1,131,857.82 × 480,654
  4. Step 4: Simplify right side
    820,186.02x = 544,031,988,614.28
  5. Step 5: Solve for x
    x = 544,031,988,614.28/820,186.02
  6. Step 6: Final answer
    x = 663,303.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.