Home / 727,534.83-1,004,029.04-405,245.07

Finding the Fourth Proportional to 727,534.83, 1,004,029.04 and 405,245.07

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Solution

The fourth proportional to 727,534.83, 1,004,029.04 and 405,245.07 is: 559,255.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,534.83 : 1,004,029.04 = 405,245.07 : x
  2. Step 2: Convert to fraction form
    727,534.83/1,004,029.04 = 405,245.07/x
  3. Step 3: Cross multiply
    727,534.83x = 1,004,029.04 × 405,245.07
  4. Step 4: Simplify right side
    727,534.83x = 406,877,818,596.83
  5. Step 5: Solve for x
    x = 406,877,818,596.83/727,534.83
  6. Step 6: Final answer
    x = 559,255.45

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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.