Home / 839,014.80-1,258,110.12-359,174.76

Finding the Fourth Proportional to 839,014.80, 1,258,110.12 and 359,174.76

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Solution

The fourth proportional to 839,014.80, 1,258,110.12 and 359,174.76 is: 538,585.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,014.80 : 1,258,110.12 = 359,174.76 : x
  2. Step 2: Convert to fraction form
    839,014.80/1,258,110.12 = 359,174.76/x
  3. Step 3: Cross multiply
    839,014.80x = 1,258,110.12 × 359,174.76
  4. Step 4: Simplify right side
    839,014.80x = 451,881,400,404.57
  5. Step 5: Solve for x
    x = 451,881,400,404.57/839,014.80
  6. Step 6: Final answer
    x = 538,585.73

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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.