Home / 723,786.98-1,084,573.34-386,875.58

Finding the Fourth Proportional to 723,786.98, 1,084,573.34 and 386,875.58

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Solution

The fourth proportional to 723,786.98, 1,084,573.34 and 386,875.58 is: 579,721.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,786.98 : 1,084,573.34 = 386,875.58 : x
  2. Step 2: Convert to fraction form
    723,786.98/1,084,573.34 = 386,875.58/x
  3. Step 3: Cross multiply
    723,786.98x = 1,084,573.34 × 386,875.58
  4. Step 4: Simplify right side
    723,786.98x = 419,594,939,965.04
  5. Step 5: Solve for x
    x = 419,594,939,965.04/723,786.98
  6. Step 6: Final answer
    x = 579,721.59

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Double scale
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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.