Home / 993,655.20-1,490,482.80-495,991.20

Finding the Fourth Proportional to 993,655.20, 1,490,482.80 and 495,991.20

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Solution

The fourth proportional to 993,655.20, 1,490,482.80 and 495,991.20 is: 743,986.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,655.20 : 1,490,482.80 = 495,991.20 : x
  2. Step 2: Convert to fraction form
    993,655.20/1,490,482.80 = 495,991.20/x
  3. Step 3: Cross multiply
    993,655.20x = 1,490,482.80 × 495,991.20
  4. Step 4: Simplify right side
    993,655.20x = 739,266,352,551.36
  5. Step 5: Solve for x
    x = 739,266,352,551.36/993,655.20
  6. Step 6: Final answer
    x = 743,986.80

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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.