Home / 900,652.68-1,351,142.76-427,333.68

Finding the Fourth Proportional to 900,652.68, 1,351,142.76 and 427,333.68

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Solution

The fourth proportional to 900,652.68, 1,351,142.76 and 427,333.68 is: 641,078.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,652.68 : 1,351,142.76 = 427,333.68 : x
  2. Step 2: Convert to fraction form
    900,652.68/1,351,142.76 = 427,333.68/x
  3. Step 3: Cross multiply
    900,652.68x = 1,351,142.76 × 427,333.68
  4. Step 4: Simplify right side
    900,652.68x = 577,388,807,836.16
  5. Step 5: Solve for x
    x = 577,388,807,836.16/900,652.68
  6. Step 6: Final answer
    x = 641,078.21

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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.