Home / 710,093.28-979,922.08-387,802.36

Finding the Fourth Proportional to 710,093.28, 979,922.08 and 387,802.36

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Solution

The fourth proportional to 710,093.28, 979,922.08 and 387,802.36 is: 535,163.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,093.28 : 979,922.08 = 387,802.36 : x
  2. Step 2: Convert to fraction form
    710,093.28/979,922.08 = 387,802.36/x
  3. Step 3: Cross multiply
    710,093.28x = 979,922.08 × 387,802.36
  4. Step 4: Simplify right side
    710,093.28x = 380,016,095,240.11
  5. Step 5: Solve for x
    x = 380,016,095,240.11/710,093.28
  6. Step 6: Final answer
    x = 535,163.63

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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.