Home / 900,276.36-1,242,494.37-590,439.21

Finding the Fourth Proportional to 900,276.36, 1,242,494.37 and 590,439.21

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Solution

The fourth proportional to 900,276.36, 1,242,494.37 and 590,439.21 is: 814,880.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,276.36 : 1,242,494.37 = 590,439.21 : x
  2. Step 2: Convert to fraction form
    900,276.36/1,242,494.37 = 590,439.21/x
  3. Step 3: Cross multiply
    900,276.36x = 1,242,494.37 × 590,439.21
  4. Step 4: Simplify right side
    900,276.36x = 733,617,394,252.25
  5. Step 5: Solve for x
    x = 733,617,394,252.25/900,276.36
  6. Step 6: Final answer
    x = 814,880.22

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1.5x scale

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.