Home / 725,689.16-1,088,665.35-298,988.03

Finding the Fourth Proportional to 725,689.16, 1,088,665.35 and 298,988.03

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Solution

The fourth proportional to 725,689.16, 1,088,665.35 and 298,988.03 is: 448,536.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,689.16 : 1,088,665.35 = 298,988.03 : x
  2. Step 2: Convert to fraction form
    725,689.16/1,088,665.35 = 298,988.03/x
  3. Step 3: Cross multiply
    725,689.16x = 1,088,665.35 × 298,988.03
  4. Step 4: Simplify right side
    725,689.16x = 325,497,908,325.76
  5. Step 5: Solve for x
    x = 325,497,908,325.76/725,689.16
  6. Step 6: Final answer
    x = 448,536.27

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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.