Home / 757,907.29-1,046,087.90-499,830.81

Finding the Fourth Proportional to 757,907.29, 1,046,087.90 and 499,830.81

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Solution

The fourth proportional to 757,907.29, 1,046,087.90 and 499,830.81 is: 689,882.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,907.29 : 1,046,087.90 = 499,830.81 : x
  2. Step 2: Convert to fraction form
    757,907.29/1,046,087.90 = 499,830.81/x
  3. Step 3: Cross multiply
    757,907.29x = 1,046,087.90 × 499,830.81
  4. Step 4: Simplify right side
    757,907.29x = 522,866,962,388.20
  5. Step 5: Solve for x
    x = 522,866,962,388.20/757,907.29
  6. Step 6: Final answer
    x = 689,882.48

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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.