Home / 802,064.66-1,106,849.50-439,485.58

Finding the Fourth Proportional to 802,064.66, 1,106,849.50 and 439,485.58

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Solution

The fourth proportional to 802,064.66, 1,106,849.50 and 439,485.58 is: 606,490.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,064.66 : 1,106,849.50 = 439,485.58 : x
  2. Step 2: Convert to fraction form
    802,064.66/1,106,849.50 = 439,485.58/x
  3. Step 3: Cross multiply
    802,064.66x = 1,106,849.50 × 439,485.58
  4. Step 4: Simplify right side
    802,064.66x = 486,444,394,480.21
  5. Step 5: Solve for x
    x = 486,444,394,480.21/802,064.66
  6. Step 6: Final answer
    x = 606,490.25

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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.