Home / 994,130.40-1,490,806.80-362,719.20

Finding the Fourth Proportional to 994,130.40, 1,490,806.80 and 362,719.20

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Solution

The fourth proportional to 994,130.40, 1,490,806.80 and 362,719.20 is: 543,936.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,130.40 : 1,490,806.80 = 362,719.20 : x
  2. Step 2: Convert to fraction form
    994,130.40/1,490,806.80 = 362,719.20/x
  3. Step 3: Cross multiply
    994,130.40x = 1,490,806.80 × 362,719.20
  4. Step 4: Simplify right side
    994,130.40x = 540,744,249,850.56
  5. Step 5: Solve for x
    x = 540,744,249,850.56/994,130.40
  6. Step 6: Final answer
    x = 543,936.94

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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.