Home / 802,347.15-1,107,247.82-439,763.07

Finding the Fourth Proportional to 802,347.15, 1,107,247.82 and 439,763.07

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Solution

The fourth proportional to 802,347.15, 1,107,247.82 and 439,763.07 is: 606,877.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,347.15 : 1,107,247.82 = 439,763.07 : x
  2. Step 2: Convert to fraction form
    802,347.15/1,107,247.82 = 439,763.07/x
  3. Step 3: Cross multiply
    802,347.15x = 1,107,247.82 × 439,763.07
  4. Step 4: Simplify right side
    802,347.15x = 486,926,698,375.19
  5. Step 5: Solve for x
    x = 486,926,698,375.19/802,347.15
  6. Step 6: Final answer
    x = 606,877.83

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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.