Home / 727,482.12-1,003,956.48-405,192.30

Finding the Fourth Proportional to 727,482.12, 1,003,956.48 and 405,192.30

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Solution

The fourth proportional to 727,482.12, 1,003,956.48 and 405,192.30 is: 559,182.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,482.12 : 1,003,956.48 = 405,192.30 : x
  2. Step 2: Convert to fraction form
    727,482.12/1,003,956.48 = 405,192.30/x
  3. Step 3: Cross multiply
    727,482.12x = 1,003,956.48 × 405,192.30
  4. Step 4: Simplify right side
    727,482.12x = 406,795,435,231.10
  5. Step 5: Solve for x
    x = 406,795,435,231.10/727,482.12
  6. Step 6: Final answer
    x = 559,182.73

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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.