Home / 949,866.50-1,310,816.27-520,146.66

Finding the Fourth Proportional to 949,866.50, 1,310,816.27 and 520,146.66

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Solution

The fourth proportional to 949,866.50, 1,310,816.27 and 520,146.66 is: 717,802.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,866.50 : 1,310,816.27 = 520,146.66 : x
  2. Step 2: Convert to fraction form
    949,866.50/1,310,816.27 = 520,146.66/x
  3. Step 3: Cross multiply
    949,866.50x = 1,310,816.27 × 520,146.66
  4. Step 4: Simplify right side
    949,866.50x = 681,816,708,004.26
  5. Step 5: Solve for x
    x = 681,816,708,004.26/949,866.50
  6. Step 6: Final answer
    x = 717,802.67

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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.