Home / 631,574.30-945,979.05-548,630.30

Finding the Fourth Proportional to 631,574.30, 945,979.05 and 548,630.30

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Solution

The fourth proportional to 631,574.30, 945,979.05 and 548,630.30 is: 821,744.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,574.30 : 945,979.05 = 548,630.30 : x
  2. Step 2: Convert to fraction form
    631,574.30/945,979.05 = 548,630.30/x
  3. Step 3: Cross multiply
    631,574.30x = 945,979.05 × 548,630.30
  4. Step 4: Simplify right side
    631,574.30x = 518,992,769,995.22
  5. Step 5: Solve for x
    x = 518,992,769,995.22/631,574.30
  6. Step 6: Final answer
    x = 821,744.60

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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.