Home / 803,133.72-1,108,304.25-458,947.76

Finding the Fourth Proportional to 803,133.72, 1,108,304.25 and 458,947.76

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Solution

The fourth proportional to 803,133.72, 1,108,304.25 and 458,947.76 is: 633,336.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,133.72 : 1,108,304.25 = 458,947.76 : x
  2. Step 2: Convert to fraction form
    803,133.72/1,108,304.25 = 458,947.76/x
  3. Step 3: Cross multiply
    803,133.72x = 1,108,304.25 × 458,947.76
  4. Step 4: Simplify right side
    803,133.72x = 508,653,752,935.98
  5. Step 5: Solve for x
    x = 508,653,752,935.98/803,133.72
  6. Step 6: Final answer
    x = 633,336.32

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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.