Home / 802,493.73-1,107,455.09-439,894.40

Finding the Fourth Proportional to 802,493.73, 1,107,455.09 and 439,894.40

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Solution

The fourth proportional to 802,493.73, 1,107,455.09 and 439,894.40 is: 607,061.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,493.73 : 1,107,455.09 = 439,894.40 : x
  2. Step 2: Convert to fraction form
    802,493.73/1,107,455.09 = 439,894.40/x
  3. Step 3: Cross multiply
    802,493.73x = 1,107,455.09 × 439,894.40
  4. Step 4: Simplify right side
    802,493.73x = 487,163,284,605.75
  5. Step 5: Solve for x
    x = 487,163,284,605.75/802,493.73
  6. Step 6: Final answer
    x = 607,061.80

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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.