Home / 725,417.30-1,087,797.90-325,852.40

Finding the Fourth Proportional to 725,417.30, 1,087,797.90 and 325,852.40

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Solution

The fourth proportional to 725,417.30, 1,087,797.90 and 325,852.40 is: 488,631.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,417.30 : 1,087,797.90 = 325,852.40 : x
  2. Step 2: Convert to fraction form
    725,417.30/1,087,797.90 = 325,852.40/x
  3. Step 3: Cross multiply
    725,417.30x = 1,087,797.90 × 325,852.40
  4. Step 4: Simplify right side
    725,417.30x = 354,461,556,429.96
  5. Step 5: Solve for x
    x = 354,461,556,429.96/725,417.30
  6. Step 6: Final answer
    x = 488,631.24

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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.