Home / 898,708.40-1,348,090.27-393,009.07

Finding the Fourth Proportional to 898,708.40, 1,348,090.27 and 393,009.07

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Solution

The fourth proportional to 898,708.40, 1,348,090.27 and 393,009.07 is: 589,525.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,708.40 : 1,348,090.27 = 393,009.07 : x
  2. Step 2: Convert to fraction form
    898,708.40/1,348,090.27 = 393,009.07/x
  3. Step 3: Cross multiply
    898,708.40x = 1,348,090.27 × 393,009.07
  4. Step 4: Simplify right side
    898,708.40x = 529,811,701,971.37
  5. Step 5: Solve for x
    x = 529,811,701,971.37/898,708.40
  6. Step 6: Final answer
    x = 589,525.71

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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.