Home / 637,218.20-954,272.10-304,405.40

Finding the Fourth Proportional to 637,218.20, 954,272.10 and 304,405.40

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Solution

The fourth proportional to 637,218.20, 954,272.10 and 304,405.40 is: 455,865.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,218.20 : 954,272.10 = 304,405.40 : x
  2. Step 2: Convert to fraction form
    637,218.20/954,272.10 = 304,405.40/x
  3. Step 3: Cross multiply
    637,218.20x = 954,272.10 × 304,405.40
  4. Step 4: Simplify right side
    637,218.20x = 290,485,580,309.34
  5. Step 5: Solve for x
    x = 290,485,580,309.34/637,218.20
  6. Step 6: Final answer
    x = 455,865.17

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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.