Home / 727,610.07-1,004,132.16-405,320.10

Finding the Fourth Proportional to 727,610.07, 1,004,132.16 and 405,320.10

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Solution

The fourth proportional to 727,610.07, 1,004,132.16 and 405,320.10 is: 559,358.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,610.07 : 1,004,132.16 = 405,320.10 : x
  2. Step 2: Convert to fraction form
    727,610.07/1,004,132.16 = 405,320.10/x
  3. Step 3: Cross multiply
    727,610.07x = 1,004,132.16 × 405,320.10
  4. Step 4: Simplify right side
    727,610.07x = 406,994,947,504.42
  5. Step 5: Solve for x
    x = 406,994,947,504.42/727,610.07
  6. Step 6: Final answer
    x = 559,358.60

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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.