Home / 919,502.80-1,379,254.20-545,947.60

Finding the Fourth Proportional to 919,502.80, 1,379,254.20 and 545,947.60

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Solution

The fourth proportional to 919,502.80, 1,379,254.20 and 545,947.60 is: 818,921.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,502.80 : 1,379,254.20 = 545,947.60 : x
  2. Step 2: Convert to fraction form
    919,502.80/1,379,254.20 = 545,947.60/x
  3. Step 3: Cross multiply
    919,502.80x = 1,379,254.20 × 545,947.60
  4. Step 4: Simplify right side
    919,502.80x = 753,000,520,279.92
  5. Step 5: Solve for x
    x = 753,000,520,279.92/919,502.80
  6. Step 6: Final answer
    x = 818,921.40

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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.