Home / 876,358.92-1,209,387.06-494,384.52

Finding the Fourth Proportional to 876,358.92, 1,209,387.06 and 494,384.52

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Solution

The fourth proportional to 876,358.92, 1,209,387.06 and 494,384.52 is: 682,257.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,358.92 : 1,209,387.06 = 494,384.52 : x
  2. Step 2: Convert to fraction form
    876,358.92/1,209,387.06 = 494,384.52/x
  3. Step 3: Cross multiply
    876,358.92x = 1,209,387.06 × 494,384.52
  4. Step 4: Simplify right side
    876,358.92x = 597,902,241,152.31
  5. Step 5: Solve for x
    x = 597,902,241,152.31/876,358.92
  6. Step 6: Final answer
    x = 682,257.27

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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.