Home / 714,789.70-1,069,504.66-425,543.36

Finding the Fourth Proportional to 714,789.70, 1,069,504.66 and 425,543.36

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Solution

The fourth proportional to 714,789.70, 1,069,504.66 and 425,543.36 is: 636,719.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,789.70 : 1,069,504.66 = 425,543.36 : x
  2. Step 2: Convert to fraction form
    714,789.70/1,069,504.66 = 425,543.36/x
  3. Step 3: Cross multiply
    714,789.70x = 1,069,504.66 × 425,543.36
  4. Step 4: Simplify right side
    714,789.70x = 455,120,606,552.06
  5. Step 5: Solve for x
    x = 455,120,606,552.06/714,789.70
  6. Step 6: Final answer
    x = 636,719.59

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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.