Home / 839,508.30-1,258,890.93-240,332.94

Finding the Fourth Proportional to 839,508.30, 1,258,890.93 and 240,332.94

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Solution

The fourth proportional to 839,508.30, 1,258,890.93 and 240,332.94 is: 360,393.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,508.30 : 1,258,890.93 = 240,332.94 : x
  2. Step 2: Convert to fraction form
    839,508.30/1,258,890.93 = 240,332.94/x
  3. Step 3: Cross multiply
    839,508.30x = 1,258,890.93 × 240,332.94
  4. Step 4: Simplify right side
    839,508.30x = 302,552,958,346.23
  5. Step 5: Solve for x
    x = 302,552,958,346.23/839,508.30
  6. Step 6: Final answer
    x = 360,393.05

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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.