Home / 668,615.66-1,003,402.36-284,633.74

Finding the Fourth Proportional to 668,615.66, 1,003,402.36 and 284,633.74

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Solution

The fourth proportional to 668,615.66, 1,003,402.36 and 284,633.74 is: 427,154.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,615.66 : 1,003,402.36 = 284,633.74 : x
  2. Step 2: Convert to fraction form
    668,615.66/1,003,402.36 = 284,633.74/x
  3. Step 3: Cross multiply
    668,615.66x = 1,003,402.36 × 284,633.74
  4. Step 4: Simplify right side
    668,615.66x = 285,602,166,451.63
  5. Step 5: Solve for x
    x = 285,602,166,451.63/668,615.66
  6. Step 6: Final answer
    x = 427,154.47

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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.