Home / 958,538.77-1,322,787.98-528,818.78

Finding the Fourth Proportional to 958,538.77, 1,322,787.98 and 528,818.78

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Solution

The fourth proportional to 958,538.77, 1,322,787.98 and 528,818.78 is: 729,772.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,538.77 : 1,322,787.98 = 528,818.78 : x
  2. Step 2: Convert to fraction form
    958,538.77/1,322,787.98 = 528,818.78/x
  3. Step 3: Cross multiply
    958,538.77x = 1,322,787.98 × 528,818.78
  4. Step 4: Simplify right side
    958,538.77x = 699,515,130,411.28
  5. Step 5: Solve for x
    x = 699,515,130,411.28/958,538.77
  6. Step 6: Final answer
    x = 729,772.39

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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.