Home / 901,325.76-1,243,829.56-498,917.76

Finding the Fourth Proportional to 901,325.76, 1,243,829.56 and 498,917.76

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Solution

The fourth proportional to 901,325.76, 1,243,829.56 and 498,917.76 is: 688,506.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,325.76 : 1,243,829.56 = 498,917.76 : x
  2. Step 2: Convert to fraction form
    901,325.76/1,243,829.56 = 498,917.76/x
  3. Step 3: Cross multiply
    901,325.76x = 1,243,829.56 × 498,917.76
  4. Step 4: Simplify right side
    901,325.76x = 620,568,657,896.99
  5. Step 5: Solve for x
    x = 620,568,657,896.99/901,325.76
  6. Step 6: Final answer
    x = 688,506.51

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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.