Home / 668,838.63-1,003,255.23-242,274.69

Finding the Fourth Proportional to 668,838.63, 1,003,255.23 and 242,274.69

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Solution

The fourth proportional to 668,838.63, 1,003,255.23 and 242,274.69 is: 363,411.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,838.63 : 1,003,255.23 = 242,274.69 : x
  2. Step 2: Convert to fraction form
    668,838.63/1,003,255.23 = 242,274.69/x
  3. Step 3: Cross multiply
    668,838.63x = 1,003,255.23 × 242,274.69
  4. Step 4: Simplify right side
    668,838.63x = 243,063,349,839.13
  5. Step 5: Solve for x
    x = 243,063,349,839.13/668,838.63
  6. Step 6: Final answer
    x = 363,411.05

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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.