Home / 686,601.02-1,030,185.75-370,686.38

Finding the Fourth Proportional to 686,601.02, 1,030,185.75 and 370,686.38

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Solution

The fourth proportional to 686,601.02, 1,030,185.75 and 370,686.38 is: 556,183.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,601.02 : 1,030,185.75 = 370,686.38 : x
  2. Step 2: Convert to fraction form
    686,601.02/1,030,185.75 = 370,686.38/x
  3. Step 3: Cross multiply
    686,601.02x = 1,030,185.75 × 370,686.38
  4. Step 4: Simplify right side
    686,601.02x = 381,875,826,395.09
  5. Step 5: Solve for x
    x = 381,875,826,395.09/686,601.02
  6. Step 6: Final answer
    x = 556,183.02

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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.