Home / 839,276.12-1,258,883.39-240,236.37

Finding the Fourth Proportional to 839,276.12, 1,258,883.39 and 240,236.37

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Solution

The fourth proportional to 839,276.12, 1,258,883.39 and 240,236.37 is: 360,345.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,276.12 : 1,258,883.39 = 240,236.37 : x
  2. Step 2: Convert to fraction form
    839,276.12/1,258,883.39 = 240,236.37/x
  3. Step 3: Cross multiply
    839,276.12x = 1,258,883.39 × 240,236.37
  4. Step 4: Simplify right side
    839,276.12x = 302,429,574,665.71
  5. Step 5: Solve for x
    x = 302,429,574,665.71/839,276.12
  6. Step 6: Final answer
    x = 360,345.74

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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.