Home / 803,419.28-1,205,110.54-204,381.15

Finding the Fourth Proportional to 803,419.28, 1,205,110.54 and 204,381.15

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Solution

The fourth proportional to 803,419.28, 1,205,110.54 and 204,381.15 is: 306,567.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,419.28 : 1,205,110.54 = 204,381.15 : x
  2. Step 2: Convert to fraction form
    803,419.28/1,205,110.54 = 204,381.15/x
  3. Step 3: Cross multiply
    803,419.28x = 1,205,110.54 × 204,381.15
  4. Step 4: Simplify right side
    803,419.28x = 246,301,878,042.32
  5. Step 5: Solve for x
    x = 246,301,878,042.32/803,419.28
  6. Step 6: Final answer
    x = 306,567.05

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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.