Home / 727,205.40-1,090,419.30-306,005.40

Finding the Fourth Proportional to 727,205.40, 1,090,419.30 and 306,005.40

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Solution

The fourth proportional to 727,205.40, 1,090,419.30 and 306,005.40 is: 458,844.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,205.40 : 1,090,419.30 = 306,005.40 : x
  2. Step 2: Convert to fraction form
    727,205.40/1,090,419.30 = 306,005.40/x
  3. Step 3: Cross multiply
    727,205.40x = 1,090,419.30 × 306,005.40
  4. Step 4: Simplify right side
    727,205.40x = 333,674,194,064.22
  5. Step 5: Solve for x
    x = 333,674,194,064.22/727,205.40
  6. Step 6: Final answer
    x = 458,844.49

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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.