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Finding the Fourth Proportional to 479,406.04, 661,582.28 and 264,552.32

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Solution

The fourth proportional to 479,406.04, 661,582.28 and 264,552.32 is: 365,083.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,406.04 : 661,582.28 = 264,552.32 : x
  2. Step 2: Convert to fraction form
    479,406.04/661,582.28 = 264,552.32/x
  3. Step 3: Cross multiply
    479,406.04x = 661,582.28 × 264,552.32
  4. Step 4: Simplify right side
    479,406.04x = 175,023,127,044.89
  5. Step 5: Solve for x
    x = 175,023,127,044.89/479,406.04
  6. Step 6: Final answer
    x = 365,083.27

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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.