Home / 817,070.82-1,127,478.54-472,838.37

Finding the Fourth Proportional to 817,070.82, 1,127,478.54 and 472,838.37

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Solution

The fourth proportional to 817,070.82, 1,127,478.54 and 472,838.37 is: 652,471.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,070.82 : 1,127,478.54 = 472,838.37 : x
  2. Step 2: Convert to fraction form
    817,070.82/1,127,478.54 = 472,838.37/x
  3. Step 3: Cross multiply
    817,070.82x = 1,127,478.54 × 472,838.37
  4. Step 4: Simplify right side
    817,070.82x = 533,115,115,063.58
  5. Step 5: Solve for x
    x = 533,115,115,063.58/817,070.82
  6. Step 6: Final answer
    x = 652,471.12

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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.