Home / 907,231.20-1,359,534.60-401,378.10

Finding the Fourth Proportional to 907,231.20, 1,359,534.60 and 401,378.10

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Solution

The fourth proportional to 907,231.20, 1,359,534.60 and 401,378.10 is: 601,486.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,231.20 : 1,359,534.60 = 401,378.10 : x
  2. Step 2: Convert to fraction form
    907,231.20/1,359,534.60 = 401,378.10/x
  3. Step 3: Cross multiply
    907,231.20x = 1,359,534.60 × 401,378.10
  4. Step 4: Simplify right side
    907,231.20x = 545,687,414,632.26
  5. Step 5: Solve for x
    x = 545,687,414,632.26/907,231.20
  6. Step 6: Final answer
    x = 601,486.61

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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.