Home / 710,711.17-1,065,910.20-205,162.36

Finding the Fourth Proportional to 710,711.17, 1,065,910.20 and 205,162.36

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Solution

The fourth proportional to 710,711.17, 1,065,910.20 and 205,162.36 is: 307,698.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,711.17 : 1,065,910.20 = 205,162.36 : x
  2. Step 2: Convert to fraction form
    710,711.17/1,065,910.20 = 205,162.36/x
  3. Step 3: Cross multiply
    710,711.17x = 1,065,910.20 × 205,162.36
  4. Step 4: Simplify right side
    710,711.17x = 218,684,652,180.07
  5. Step 5: Solve for x
    x = 218,684,652,180.07/710,711.17
  6. Step 6: Final answer
    x = 307,698.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.