Home / 810,584.69-1,216,009.16-249,619.19

Finding the Fourth Proportional to 810,584.69, 1,216,009.16 and 249,619.19

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Solution

The fourth proportional to 810,584.69, 1,216,009.16 and 249,619.19 is: 374,469.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,584.69 : 1,216,009.16 = 249,619.19 : x
  2. Step 2: Convert to fraction form
    810,584.69/1,216,009.16 = 249,619.19/x
  3. Step 3: Cross multiply
    810,584.69x = 1,216,009.16 × 249,619.19
  4. Step 4: Simplify right side
    810,584.69x = 303,539,215,159.71
  5. Step 5: Solve for x
    x = 303,539,215,159.71/810,584.69
  6. Step 6: Final answer
    x = 374,469.47

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1.5x scale

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.