Home / 802,965.70-1,107,990.53-458,823.89

Finding the Fourth Proportional to 802,965.70, 1,107,990.53 and 458,823.89

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Solution

The fourth proportional to 802,965.70, 1,107,990.53 and 458,823.89 is: 633,118.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,965.70 : 1,107,990.53 = 458,823.89 : x
  2. Step 2: Convert to fraction form
    802,965.70/1,107,990.53 = 458,823.89/x
  3. Step 3: Cross multiply
    802,965.70x = 1,107,990.53 × 458,823.89
  4. Step 4: Simplify right side
    802,965.70x = 508,372,521,612.03
  5. Step 5: Solve for x
    x = 508,372,521,612.03/802,965.70
  6. Step 6: Final answer
    x = 633,118.60

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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.