Home / 949,890.65-1,310,809.71-520,163.37

Finding the Fourth Proportional to 949,890.65, 1,310,809.71 and 520,163.37

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Solution

The fourth proportional to 949,890.65, 1,310,809.71 and 520,163.37 is: 717,803.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,890.65 : 1,310,809.71 = 520,163.37 : x
  2. Step 2: Convert to fraction form
    949,890.65/1,310,809.71 = 520,163.37/x
  3. Step 3: Cross multiply
    949,890.65x = 1,310,809.71 × 520,163.37
  4. Step 4: Simplify right side
    949,890.65x = 681,835,196,182.32
  5. Step 5: Solve for x
    x = 681,835,196,182.32/949,890.65
  6. Step 6: Final answer
    x = 717,803.89

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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.