Home / 802,208.61-1,107,030.24-439,624.80

Finding the Fourth Proportional to 802,208.61, 1,107,030.24 and 439,624.80

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Solution

The fourth proportional to 802,208.61, 1,107,030.24 and 439,624.80 is: 606,672.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,208.61 : 1,107,030.24 = 439,624.80 : x
  2. Step 2: Convert to fraction form
    802,208.61/1,107,030.24 = 439,624.80/x
  3. Step 3: Cross multiply
    802,208.61x = 1,107,030.24 × 439,624.80
  4. Step 4: Simplify right side
    802,208.61x = 486,677,947,853.95
  5. Step 5: Solve for x
    x = 486,677,947,853.95/802,208.61
  6. Step 6: Final answer
    x = 606,672.56

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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.