Home / 893,433.20-1,340,387.40-387,777.20

Finding the Fourth Proportional to 893,433.20, 1,340,387.40 and 387,777.20

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Solution

The fourth proportional to 893,433.20, 1,340,387.40 and 387,777.20 is: 581,768.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,433.20 : 1,340,387.40 = 387,777.20 : x
  2. Step 2: Convert to fraction form
    893,433.20/1,340,387.40 = 387,777.20/x
  3. Step 3: Cross multiply
    893,433.20x = 1,340,387.40 × 387,777.20
  4. Step 4: Simplify right side
    893,433.20x = 519,771,672,887.28
  5. Step 5: Solve for x
    x = 519,771,672,887.28/893,433.20
  6. Step 6: Final answer
    x = 581,768.93

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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.