Home / 668,835.63-1,003,250.75-242,271.68

Finding the Fourth Proportional to 668,835.63, 1,003,250.75 and 242,271.68

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Solution

The fourth proportional to 668,835.63, 1,003,250.75 and 242,271.68 is: 363,406.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,835.63 : 1,003,250.75 = 242,271.68 : x
  2. Step 2: Convert to fraction form
    668,835.63/1,003,250.75 = 242,271.68/x
  3. Step 3: Cross multiply
    668,835.63x = 1,003,250.75 × 242,271.68
  4. Step 4: Simplify right side
    668,835.63x = 243,059,238,436.15
  5. Step 5: Solve for x
    x = 243,059,238,436.15/668,835.63
  6. Step 6: Final answer
    x = 363,406.53

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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.