Home / 693,717.46-1,040,570.79-356,852.50

Finding the Fourth Proportional to 693,717.46, 1,040,570.79 and 356,852.50

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Solution

The fourth proportional to 693,717.46, 1,040,570.79 and 356,852.50 is: 535,275.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,717.46 : 1,040,570.79 = 356,852.50 : x
  2. Step 2: Convert to fraction form
    693,717.46/1,040,570.79 = 356,852.50/x
  3. Step 3: Cross multiply
    693,717.46x = 1,040,570.79 × 356,852.50
  4. Step 4: Simplify right side
    693,717.46x = 371,330,287,838.48
  5. Step 5: Solve for x
    x = 371,330,287,838.48/693,717.46
  6. Step 6: Final answer
    x = 535,275.97

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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.