Home / 803,643.36-1,108,947.08-481,345.17

Finding the Fourth Proportional to 803,643.36, 1,108,947.08 and 481,345.17

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Solution

The fourth proportional to 803,643.36, 1,108,947.08 and 481,345.17 is: 664,207.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,643.36 : 1,108,947.08 = 481,345.17 : x
  2. Step 2: Convert to fraction form
    803,643.36/1,108,947.08 = 481,345.17/x
  3. Step 3: Cross multiply
    803,643.36x = 1,108,947.08 × 481,345.17
  4. Step 4: Simplify right side
    803,643.36x = 533,786,318,336.88
  5. Step 5: Solve for x
    x = 533,786,318,336.88/803,643.36
  6. Step 6: Final answer
    x = 664,207.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.