Home / 708,116.33-1,062,617.37-287,392.20

Finding the Fourth Proportional to 708,116.33, 1,062,617.37 and 287,392.20

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Solution

The fourth proportional to 708,116.33, 1,062,617.37 and 287,392.20 is: 431,268.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,116.33 : 1,062,617.37 = 287,392.20 : x
  2. Step 2: Convert to fraction form
    708,116.33/1,062,617.37 = 287,392.20/x
  3. Step 3: Cross multiply
    708,116.33x = 1,062,617.37 × 287,392.20
  4. Step 4: Simplify right side
    708,116.33x = 305,387,943,722.51
  5. Step 5: Solve for x
    x = 305,387,943,722.51/708,116.33
  6. Step 6: Final answer
    x = 431,268.05

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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.