Home / 759,448.32-1,139,345.28-404,275.20

Finding the Fourth Proportional to 759,448.32, 1,139,345.28 and 404,275.20

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Solution

The fourth proportional to 759,448.32, 1,139,345.28 and 404,275.20 is: 606,504.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,448.32 : 1,139,345.28 = 404,275.20 : x
  2. Step 2: Convert to fraction form
    759,448.32/1,139,345.28 = 404,275.20/x
  3. Step 3: Cross multiply
    759,448.32x = 1,139,345.28 × 404,275.20
  4. Step 4: Simplify right side
    759,448.32x = 460,609,040,941.06
  5. Step 5: Solve for x
    x = 460,609,040,941.06/759,448.32
  6. Step 6: Final answer
    x = 606,504.79

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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.