Home / 668,478.60-1,001,173.23-401,650.92

Finding the Fourth Proportional to 668,478.60, 1,001,173.23 and 401,650.92

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Solution

The fourth proportional to 668,478.60, 1,001,173.23 and 401,650.92 is: 601,548.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,478.60 : 1,001,173.23 = 401,650.92 : x
  2. Step 2: Convert to fraction form
    668,478.60/1,001,173.23 = 401,650.92/x
  3. Step 3: Cross multiply
    668,478.60x = 1,001,173.23 × 401,650.92
  4. Step 4: Simplify right side
    668,478.60x = 402,122,148,908.87
  5. Step 5: Solve for x
    x = 402,122,148,908.87/668,478.60
  6. Step 6: Final answer
    x = 601,548.28

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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.