Home / 725,900.29-1,088,995.79-406,506.37

Finding the Fourth Proportional to 725,900.29, 1,088,995.79 and 406,506.37

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Solution

The fourth proportional to 725,900.29, 1,088,995.79 and 406,506.37 is: 609,840.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,900.29 : 1,088,995.79 = 406,506.37 : x
  2. Step 2: Convert to fraction form
    725,900.29/1,088,995.79 = 406,506.37/x
  3. Step 3: Cross multiply
    725,900.29x = 1,088,995.79 × 406,506.37
  4. Step 4: Simplify right side
    725,900.29x = 442,683,724,866.90
  5. Step 5: Solve for x
    x = 442,683,724,866.90/725,900.29
  6. Step 6: Final answer
    x = 609,840.95

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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.