Home / 807,402.60-1,114,216.62-439,877.92

Finding the Fourth Proportional to 807,402.60, 1,114,216.62 and 439,877.92

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Solution

The fourth proportional to 807,402.60, 1,114,216.62 and 439,877.92 is: 607,032.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,402.60 : 1,114,216.62 = 439,877.92 : x
  2. Step 2: Convert to fraction form
    807,402.60/1,114,216.62 = 439,877.92/x
  3. Step 3: Cross multiply
    807,402.60x = 1,114,216.62 × 439,877.92
  4. Step 4: Simplify right side
    807,402.60x = 490,119,289,235.03
  5. Step 5: Solve for x
    x = 490,119,289,235.03/807,402.60
  6. Step 6: Final answer
    x = 607,032.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.