Home / 871,295.10-1,305,193.05-496,880.70

Finding the Fourth Proportional to 871,295.10, 1,305,193.05 and 496,880.70

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Solution

The fourth proportional to 871,295.10, 1,305,193.05 and 496,880.70 is: 744,323.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,295.10 : 1,305,193.05 = 496,880.70 : x
  2. Step 2: Convert to fraction form
    871,295.10/1,305,193.05 = 496,880.70/x
  3. Step 3: Cross multiply
    871,295.10x = 1,305,193.05 × 496,880.70
  4. Step 4: Simplify right side
    871,295.10x = 648,525,236,319.14
  5. Step 5: Solve for x
    x = 648,525,236,319.14/871,295.10
  6. Step 6: Final answer
    x = 744,323.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.