Home / 901,322.76-1,243,825.40-498,914.76

Finding the Fourth Proportional to 901,322.76, 1,243,825.40 and 498,914.76

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Solution

The fourth proportional to 901,322.76, 1,243,825.40 and 498,914.76 is: 688,502.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,322.76 : 1,243,825.40 = 498,914.76 : x
  2. Step 2: Convert to fraction form
    901,322.76/1,243,825.40 = 498,914.76/x
  3. Step 3: Cross multiply
    901,322.76x = 1,243,825.40 × 498,914.76
  4. Step 4: Simplify right side
    901,322.76x = 620,562,850,922.90
  5. Step 5: Solve for x
    x = 620,562,850,922.90/901,322.76
  6. Step 6: Final answer
    x = 688,502.36

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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.