Home / 885,402.03-1,328,383.35-316,770.60

Finding the Fourth Proportional to 885,402.03, 1,328,383.35 and 316,770.60

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Solution

The fourth proportional to 885,402.03, 1,328,383.35 and 316,770.60 is: 475,256.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,402.03 : 1,328,383.35 = 316,770.60 : x
  2. Step 2: Convert to fraction form
    885,402.03/1,328,383.35 = 316,770.60/x
  3. Step 3: Cross multiply
    885,402.03x = 1,328,383.35 × 316,770.60
  4. Step 4: Simplify right side
    885,402.03x = 420,792,790,809.51
  5. Step 5: Solve for x
    x = 420,792,790,809.51/885,402.03
  6. Step 6: Final answer
    x = 475,256.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.