Home / 785,428.41-1,178,119.17-216,844.23

Finding the Fourth Proportional to 785,428.41, 1,178,119.17 and 216,844.23

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Solution

The fourth proportional to 785,428.41, 1,178,119.17 and 216,844.23 is: 325,259.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,428.41 : 1,178,119.17 = 216,844.23 : x
  2. Step 2: Convert to fraction form
    785,428.41/1,178,119.17 = 216,844.23/x
  3. Step 3: Cross multiply
    785,428.41x = 1,178,119.17 × 216,844.23
  4. Step 4: Simplify right side
    785,428.41x = 255,468,344,266.89
  5. Step 5: Solve for x
    x = 255,468,344,266.89/785,428.41
  6. Step 6: Final answer
    x = 325,259.87

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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.