Home / 710,710.17-1,065,908.70-205,161.36

Finding the Fourth Proportional to 710,710.17, 1,065,908.70 and 205,161.36

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Solution

The fourth proportional to 710,710.17, 1,065,908.70 and 205,161.36 is: 307,696.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,710.17 : 1,065,908.70 = 205,161.36 : x
  2. Step 2: Convert to fraction form
    710,710.17/1,065,908.70 = 205,161.36/x
  3. Step 3: Cross multiply
    710,710.17x = 1,065,908.70 × 205,161.36
  4. Step 4: Simplify right side
    710,710.17x = 218,683,278,527.83
  5. Step 5: Solve for x
    x = 218,683,278,527.83/710,710.17
  6. Step 6: Final answer
    x = 307,696.85

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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.