Home / 749,504.80-1,034,308.20-409,969

Finding the Fourth Proportional to 749,504.80, 1,034,308.20 and 409,969

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Solution

The fourth proportional to 749,504.80, 1,034,308.20 and 409,969 is: 565,752.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,504.80 : 1,034,308.20 = 409,969 : x
  2. Step 2: Convert to fraction form
    749,504.80/1,034,308.20 = 409,969/x
  3. Step 3: Cross multiply
    749,504.80x = 1,034,308.20 × 409,969
  4. Step 4: Simplify right side
    749,504.80x = 424,034,298,445.80
  5. Step 5: Solve for x
    x = 424,034,298,445.80/749,504.80
  6. Step 6: Final answer
    x = 565,752.61

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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.