Home / 994,139.40-1,490,820.30-362,728.20

Finding the Fourth Proportional to 994,139.40, 1,490,820.30 and 362,728.20

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Solution

The fourth proportional to 994,139.40, 1,490,820.30 and 362,728.20 is: 543,950.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,139.40 : 1,490,820.30 = 362,728.20 : x
  2. Step 2: Convert to fraction form
    994,139.40/1,490,820.30 = 362,728.20/x
  3. Step 3: Cross multiply
    994,139.40x = 1,490,820.30 × 362,728.20
  4. Step 4: Simplify right side
    994,139.40x = 540,762,563,942.46
  5. Step 5: Solve for x
    x = 540,762,563,942.46/994,139.40
  6. Step 6: Final answer
    x = 543,950.44

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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.