Home / 817,975.29-1,128,838.96-473,805.73

Finding the Fourth Proportional to 817,975.29, 1,128,838.96 and 473,805.73

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Solution

The fourth proportional to 817,975.29, 1,128,838.96 and 473,805.73 is: 653,871.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,975.29 : 1,128,838.96 = 473,805.73 : x
  2. Step 2: Convert to fraction form
    817,975.29/1,128,838.96 = 473,805.73/x
  3. Step 3: Cross multiply
    817,975.29x = 1,128,838.96 × 473,805.73
  4. Step 4: Simplify right side
    817,975.29x = 534,850,364,991.11
  5. Step 5: Solve for x
    x = 534,850,364,991.11/817,975.29
  6. Step 6: Final answer
    x = 653,871.06

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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.