Home / 889,403.76-1,227,368.37-481,494.81

Finding the Fourth Proportional to 889,403.76, 1,227,368.37 and 481,494.81

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Solution

The fourth proportional to 889,403.76, 1,227,368.37 and 481,494.81 is: 664,458.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,403.76 : 1,227,368.37 = 481,494.81 : x
  2. Step 2: Convert to fraction form
    889,403.76/1,227,368.37 = 481,494.81/x
  3. Step 3: Cross multiply
    889,403.76x = 1,227,368.37 × 481,494.81
  4. Step 4: Simplify right side
    889,403.76x = 590,971,500,113.16
  5. Step 5: Solve for x
    x = 590,971,500,113.16/889,403.76
  6. Step 6: Final answer
    x = 664,458.06

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1.5x scale

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.