Home / 691,759.19-1,030,761.70-616,299.50

Finding the Fourth Proportional to 691,759.19, 1,030,761.70 and 616,299.50

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Solution

The fourth proportional to 691,759.19, 1,030,761.70 and 616,299.50 is: 918,322.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,759.19 : 1,030,761.70 = 616,299.50 : x
  2. Step 2: Convert to fraction form
    691,759.19/1,030,761.70 = 616,299.50/x
  3. Step 3: Cross multiply
    691,759.19x = 1,030,761.70 × 616,299.50
  4. Step 4: Simplify right side
    691,759.19x = 635,257,920,329.15
  5. Step 5: Solve for x
    x = 635,257,920,329.15/691,759.19
  6. Step 6: Final answer
    x = 918,322.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.