Home / 917,332.60-1,375,998.90-444,940.60

Finding the Fourth Proportional to 917,332.60, 1,375,998.90 and 444,940.60

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Solution

The fourth proportional to 917,332.60, 1,375,998.90 and 444,940.60 is: 667,410.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,332.60 : 1,375,998.90 = 444,940.60 : x
  2. Step 2: Convert to fraction form
    917,332.60/1,375,998.90 = 444,940.60/x
  3. Step 3: Cross multiply
    917,332.60x = 1,375,998.90 × 444,940.60
  4. Step 4: Simplify right side
    917,332.60x = 612,237,776,165.34
  5. Step 5: Solve for x
    x = 612,237,776,165.34/917,332.60
  6. Step 6: Final answer
    x = 667,410.90

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1.5x scale

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.