Home / 749,358.95-1,034,114.62-405,194.06

Finding the Fourth Proportional to 749,358.95, 1,034,114.62 and 405,194.06

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Solution

The fourth proportional to 749,358.95, 1,034,114.62 and 405,194.06 is: 559,167.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,358.95 : 1,034,114.62 = 405,194.06 : x
  2. Step 2: Convert to fraction form
    749,358.95/1,034,114.62 = 405,194.06/x
  3. Step 3: Cross multiply
    749,358.95x = 1,034,114.62 × 405,194.06
  4. Step 4: Simplify right side
    749,358.95x = 419,017,097,898.30
  5. Step 5: Solve for x
    x = 419,017,097,898.30/749,358.95
  6. Step 6: Final answer
    x = 559,167.40

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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.