Home / 976,251.90-1,347,388.83-670,076.76

Finding the Fourth Proportional to 976,251.90, 1,347,388.83 and 670,076.76

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Solution

The fourth proportional to 976,251.90, 1,347,388.83 and 670,076.76 is: 924,816.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,251.90 : 1,347,388.83 = 670,076.76 : x
  2. Step 2: Convert to fraction form
    976,251.90/1,347,388.83 = 670,076.76/x
  3. Step 3: Cross multiply
    976,251.90x = 1,347,388.83 × 670,076.76
  4. Step 4: Simplify right side
    976,251.90x = 902,853,941,666.59
  5. Step 5: Solve for x
    x = 902,853,941,666.59/976,251.90
  6. Step 6: Final answer
    x = 924,816.58

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1.5x scale

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.