Home / 976,156.03-1,347,256.55-669,980.89

Finding the Fourth Proportional to 976,156.03, 1,347,256.55 and 669,980.89

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Solution

The fourth proportional to 976,156.03, 1,347,256.55 and 669,980.89 is: 924,684.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,156.03 : 1,347,256.55 = 669,980.89 : x
  2. Step 2: Convert to fraction form
    976,156.03/1,347,256.55 = 669,980.89/x
  3. Step 3: Cross multiply
    976,156.03x = 1,347,256.55 × 669,980.89
  4. Step 4: Simplify right side
    976,156.03x = 902,636,142,427.33
  5. Step 5: Solve for x
    x = 902,636,142,427.33/976,156.03
  6. Step 6: Final answer
    x = 924,684.29

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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.