Home / 749,914.83-1,035,365.36-669,203.60

Finding the Fourth Proportional to 749,914.83, 1,035,365.36 and 669,203.60

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Solution

The fourth proportional to 749,914.83, 1,035,365.36 and 669,203.60 is: 923,931.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,914.83 : 1,035,365.36 = 669,203.60 : x
  2. Step 2: Convert to fraction form
    749,914.83/1,035,365.36 = 669,203.60/x
  3. Step 3: Cross multiply
    749,914.83x = 1,035,365.36 × 669,203.60
  4. Step 4: Simplify right side
    749,914.83x = 692,870,217,704.45
  5. Step 5: Solve for x
    x = 692,870,217,704.45/749,914.83
  6. Step 6: Final answer
    x = 923,931.88

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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.