Home / 668,904.55-1,003,353.99-242,340.36

Finding the Fourth Proportional to 668,904.55, 1,003,353.99 and 242,340.36

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Solution

The fourth proportional to 668,904.55, 1,003,353.99 and 242,340.36 is: 363,509.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,904.55 : 1,003,353.99 = 242,340.36 : x
  2. Step 2: Convert to fraction form
    668,904.55/1,003,353.99 = 242,340.36/x
  3. Step 3: Cross multiply
    668,904.55x = 1,003,353.99 × 242,340.36
  4. Step 4: Simplify right side
    668,904.55x = 243,153,167,144.04
  5. Step 5: Solve for x
    x = 243,153,167,144.04/668,904.55
  6. Step 6: Final answer
    x = 363,509.51

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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.