Home / 678,322.26-936,037.89-376,492.50

Finding the Fourth Proportional to 678,322.26, 936,037.89 and 376,492.50

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Solution

The fourth proportional to 678,322.26, 936,037.89 and 376,492.50 is: 519,533.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,322.26 : 936,037.89 = 376,492.50 : x
  2. Step 2: Convert to fraction form
    678,322.26/936,037.89 = 376,492.50/x
  3. Step 3: Cross multiply
    678,322.26x = 936,037.89 × 376,492.50
  4. Step 4: Simplify right side
    678,322.26x = 352,411,245,300.83
  5. Step 5: Solve for x
    x = 352,411,245,300.83/678,322.26
  6. Step 6: Final answer
    x = 519,533.66

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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.