Home / 898,708.71-1,348,090.75-393,009.38

Finding the Fourth Proportional to 898,708.71, 1,348,090.75 and 393,009.38

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Solution

The fourth proportional to 898,708.71, 1,348,090.75 and 393,009.38 is: 589,526.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,708.71 : 1,348,090.75 = 393,009.38 : x
  2. Step 2: Convert to fraction form
    898,708.71/1,348,090.75 = 393,009.38/x
  3. Step 3: Cross multiply
    898,708.71x = 1,348,090.75 × 393,009.38
  4. Step 4: Simplify right side
    898,708.71x = 529,812,315,352.33
  5. Step 5: Solve for x
    x = 529,812,315,352.33/898,708.71
  6. Step 6: Final answer
    x = 589,526.18

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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.