Home / 900,620.75-1,351,094.85-427,301.71

Finding the Fourth Proportional to 900,620.75, 1,351,094.85 and 427,301.71

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Solution

The fourth proportional to 900,620.75, 1,351,094.85 and 427,301.71 is: 641,030.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,620.75 : 1,351,094.85 = 427,301.71 : x
  2. Step 2: Convert to fraction form
    900,620.75/1,351,094.85 = 427,301.71/x
  3. Step 3: Cross multiply
    900,620.75x = 1,351,094.85 × 427,301.71
  4. Step 4: Simplify right side
    900,620.75x = 577,325,139,777.19
  5. Step 5: Solve for x
    x = 577,325,139,777.19/900,620.75
  6. Step 6: Final answer
    x = 641,030.24

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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.