Home / 725,871.41-1,086,677.93-508,978.07

Finding the Fourth Proportional to 725,871.41, 1,086,677.93 and 508,978.07

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Solution

The fourth proportional to 725,871.41, 1,086,677.93 and 508,978.07 is: 761,974.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,871.41 : 1,086,677.93 = 508,978.07 : x
  2. Step 2: Convert to fraction form
    725,871.41/1,086,677.93 = 508,978.07/x
  3. Step 3: Cross multiply
    725,871.41x = 1,086,677.93 × 508,978.07
  4. Step 4: Simplify right side
    725,871.41x = 553,095,231,362.05
  5. Step 5: Solve for x
    x = 553,095,231,362.05/725,871.41
  6. Step 6: Final answer
    x = 761,974.13

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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.