Home / 993,816.72-1,490,900.40-363,610.80

Finding the Fourth Proportional to 993,816.72, 1,490,900.40 and 363,610.80

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Solution

The fourth proportional to 993,816.72, 1,490,900.40 and 363,610.80 is: 545,480.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,816.72 : 1,490,900.40 = 363,610.80 : x
  2. Step 2: Convert to fraction form
    993,816.72/1,490,900.40 = 363,610.80/x
  3. Step 3: Cross multiply
    993,816.72x = 1,490,900.40 × 363,610.80
  4. Step 4: Simplify right side
    993,816.72x = 542,107,487,164.32
  5. Step 5: Solve for x
    x = 542,107,487,164.32/993,816.72
  6. Step 6: Final answer
    x = 545,480.34

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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.