Home / 749,849.90-1,034,790.01-405,684.74

Finding the Fourth Proportional to 749,849.90, 1,034,790.01 and 405,684.74

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Solution

The fourth proportional to 749,849.90, 1,034,790.01 and 405,684.74 is: 559,843.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,849.90 : 1,034,790.01 = 405,684.74 : x
  2. Step 2: Convert to fraction form
    749,849.90/1,034,790.01 = 405,684.74/x
  3. Step 3: Cross multiply
    749,849.90x = 1,034,790.01 × 405,684.74
  4. Step 4: Simplify right side
    749,849.90x = 419,798,517,734.21
  5. Step 5: Solve for x
    x = 419,798,517,734.21/749,849.90
  6. Step 6: Final answer
    x = 559,843.40

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1.5x scale

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.