Home / 907,491.20-1,359,924.60-401,638.10

Finding the Fourth Proportional to 907,491.20, 1,359,924.60 and 401,638.10

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Solution

The fourth proportional to 907,491.20, 1,359,924.60 and 401,638.10 is: 601,876.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,491.20 : 1,359,924.60 = 401,638.10 : x
  2. Step 2: Convert to fraction form
    907,491.20/1,359,924.60 = 401,638.10/x
  3. Step 3: Cross multiply
    907,491.20x = 1,359,924.60 × 401,638.10
  4. Step 4: Simplify right side
    907,491.20x = 546,197,532,487.26
  5. Step 5: Solve for x
    x = 546,197,532,487.26/907,491.20
  6. Step 6: Final answer
    x = 601,876.40

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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.