Home / 993,979.80-1,490,969.70-362,914.20

Finding the Fourth Proportional to 993,979.80, 1,490,969.70 and 362,914.20

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Solution

The fourth proportional to 993,979.80, 1,490,969.70 and 362,914.20 is: 544,371.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,979.80 : 1,490,969.70 = 362,914.20 : x
  2. Step 2: Convert to fraction form
    993,979.80/1,490,969.70 = 362,914.20/x
  3. Step 3: Cross multiply
    993,979.80x = 1,490,969.70 × 362,914.20
  4. Step 4: Simplify right side
    993,979.80x = 541,094,075,899.74
  5. Step 5: Solve for x
    x = 541,094,075,899.74/993,979.80
  6. Step 6: Final answer
    x = 544,371.30

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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.