Home / 790,146.71-1,185,171.40-486,598.70

Finding the Fourth Proportional to 790,146.71, 1,185,171.40 and 486,598.70

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Solution

The fourth proportional to 790,146.71, 1,185,171.40 and 486,598.70 is: 729,868.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,146.71 : 1,185,171.40 = 486,598.70 : x
  2. Step 2: Convert to fraction form
    790,146.71/1,185,171.40 = 486,598.70/x
  3. Step 3: Cross multiply
    790,146.71x = 1,185,171.40 × 486,598.70
  4. Step 4: Simplify right side
    790,146.71x = 576,702,863,351.24
  5. Step 5: Solve for x
    x = 576,702,863,351.24/790,146.71
  6. Step 6: Final answer
    x = 729,868.08

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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.