Home / 695,316.84-1,042,975.26-379,601.52

Finding the Fourth Proportional to 695,316.84, 1,042,975.26 and 379,601.52

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Solution

The fourth proportional to 695,316.84, 1,042,975.26 and 379,601.52 is: 569,402.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,316.84 : 1,042,975.26 = 379,601.52 : x
  2. Step 2: Convert to fraction form
    695,316.84/1,042,975.26 = 379,601.52/x
  3. Step 3: Cross multiply
    695,316.84x = 1,042,975.26 × 379,601.52
  4. Step 4: Simplify right side
    695,316.84x = 395,914,994,018.40
  5. Step 5: Solve for x
    x = 395,914,994,018.40/695,316.84
  6. Step 6: Final answer
    x = 569,402.28

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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.