Home / 834,905.40-1,251,330.90-385,001.40

Finding the Fourth Proportional to 834,905.40, 1,251,330.90 and 385,001.40

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Solution

The fourth proportional to 834,905.40, 1,251,330.90 and 385,001.40 is: 577,028.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,905.40 : 1,251,330.90 = 385,001.40 : x
  2. Step 2: Convert to fraction form
    834,905.40/1,251,330.90 = 385,001.40/x
  3. Step 3: Cross multiply
    834,905.40x = 1,251,330.90 × 385,001.40
  4. Step 4: Simplify right side
    834,905.40x = 481,764,148,363.26
  5. Step 5: Solve for x
    x = 481,764,148,363.26/834,905.40
  6. Step 6: Final answer
    x = 577,028.43

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1.5x scale

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.