Home / 744,811.66-1,116,342.55-344,606.86

Finding the Fourth Proportional to 744,811.66, 1,116,342.55 and 344,606.86

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Solution

The fourth proportional to 744,811.66, 1,116,342.55 and 344,606.86 is: 516,505.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,811.66 : 1,116,342.55 = 344,606.86 : x
  2. Step 2: Convert to fraction form
    744,811.66/1,116,342.55 = 344,606.86/x
  3. Step 3: Cross multiply
    744,811.66x = 1,116,342.55 × 344,606.86
  4. Step 4: Simplify right side
    744,811.66x = 384,699,300,839.89
  5. Step 5: Solve for x
    x = 384,699,300,839.89/744,811.66
  6. Step 6: Final answer
    x = 516,505.48

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1.5x scale

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.