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Finding the Fourth Proportional to 802,717.04, 1,107,762.36 and 440,174

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Solution

The fourth proportional to 802,717.04, 1,107,762.36 and 440,174 is: 607,447.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,717.04 : 1,107,762.36 = 440,174 : x
  2. Step 2: Convert to fraction form
    802,717.04/1,107,762.36 = 440,174/x
  3. Step 3: Cross multiply
    802,717.04x = 1,107,762.36 × 440,174
  4. Step 4: Simplify right side
    802,717.04x = 487,608,189,050.64
  5. Step 5: Solve for x
    x = 487,608,189,050.64/802,717.04
  6. Step 6: Final answer
    x = 607,447.16

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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.