Home / 678,349.26-936,075.15-376,519.50

Finding the Fourth Proportional to 678,349.26, 936,075.15 and 376,519.50

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Solution

The fourth proportional to 678,349.26, 936,075.15 and 376,519.50 is: 519,570.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,349.26 : 936,075.15 = 376,519.50 : x
  2. Step 2: Convert to fraction form
    678,349.26/936,075.15 = 376,519.50/x
  3. Step 3: Cross multiply
    678,349.26x = 936,075.15 × 376,519.50
  4. Step 4: Simplify right side
    678,349.26x = 352,450,547,440.43
  5. Step 5: Solve for x
    x = 352,450,547,440.43/678,349.26
  6. Step 6: Final answer
    x = 519,570.92

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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.