Home / 695,224.86-958,914.69-638,048.48

Finding the Fourth Proportional to 695,224.86, 958,914.69 and 638,048.48

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Solution

The fourth proportional to 695,224.86, 958,914.69 and 638,048.48 is: 880,052.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,224.86 : 958,914.69 = 638,048.48 : x
  2. Step 2: Convert to fraction form
    695,224.86/958,914.69 = 638,048.48/x
  3. Step 3: Cross multiply
    695,224.86x = 958,914.69 × 638,048.48
  4. Step 4: Simplify right side
    695,224.86x = 611,834,060,404.17
  5. Step 5: Solve for x
    x = 611,834,060,404.17/695,224.86
  6. Step 6: Final answer
    x = 880,052.05

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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.