Home / 905,690.60-1,249,465.38-565,568.36

Finding the Fourth Proportional to 905,690.60, 1,249,465.38 and 565,568.36

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Solution

The fourth proportional to 905,690.60, 1,249,465.38 and 565,568.36 is: 780,242.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,690.60 : 1,249,465.38 = 565,568.36 : x
  2. Step 2: Convert to fraction form
    905,690.60/1,249,465.38 = 565,568.36/x
  3. Step 3: Cross multiply
    905,690.60x = 1,249,465.38 × 565,568.36
  4. Step 4: Simplify right side
    905,690.60x = 706,658,085,843.38
  5. Step 5: Solve for x
    x = 706,658,085,843.38/905,690.60
  6. Step 6: Final answer
    x = 780,242.27

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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.