Home / 871,811.60-1,305,384.60-554,550.80

Finding the Fourth Proportional to 871,811.60, 1,305,384.60 and 554,550.80

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Solution

The fourth proportional to 871,811.60, 1,305,384.60 and 554,550.80 is: 830,342.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,811.60 : 1,305,384.60 = 554,550.80 : x
  2. Step 2: Convert to fraction form
    871,811.60/1,305,384.60 = 554,550.80/x
  3. Step 3: Cross multiply
    871,811.60x = 1,305,384.60 × 554,550.80
  4. Step 4: Simplify right side
    871,811.60x = 723,902,074,237.68
  5. Step 5: Solve for x
    x = 723,902,074,237.68/871,811.60
  6. Step 6: Final answer
    x = 830,342.33

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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.