Home / 905,884.02-1,250,124.03-498,012.10

Finding the Fourth Proportional to 905,884.02, 1,250,124.03 and 498,012.10

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Solution

The fourth proportional to 905,884.02, 1,250,124.03 and 498,012.10 is: 687,258.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,884.02 : 1,250,124.03 = 498,012.10 : x
  2. Step 2: Convert to fraction form
    905,884.02/1,250,124.03 = 498,012.10/x
  3. Step 3: Cross multiply
    905,884.02x = 1,250,124.03 × 498,012.10
  4. Step 4: Simplify right side
    905,884.02x = 622,576,890,315.45
  5. Step 5: Solve for x
    x = 622,576,890,315.45/905,884.02
  6. Step 6: Final answer
    x = 687,258.94

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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.