Home / 802,064.42-1,106,849.16-439,485.33

Finding the Fourth Proportional to 802,064.42, 1,106,849.16 and 439,485.33

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Solution

The fourth proportional to 802,064.42, 1,106,849.16 and 439,485.33 is: 606,489.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,064.42 : 1,106,849.16 = 439,485.33 : x
  2. Step 2: Convert to fraction form
    802,064.42/1,106,849.16 = 439,485.33/x
  3. Step 3: Cross multiply
    802,064.42x = 1,106,849.16 × 439,485.33
  4. Step 4: Simplify right side
    802,064.42x = 486,443,968,342.82
  5. Step 5: Solve for x
    x = 486,443,968,342.82/802,064.42
  6. Step 6: Final answer
    x = 606,489.90

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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.