Home / 750,453.76-1,035,627.86-406,293.32

Finding the Fourth Proportional to 750,453.76, 1,035,627.86 and 406,293.32

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Solution

The fourth proportional to 750,453.76, 1,035,627.86 and 406,293.32 is: 560,685.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,453.76 : 1,035,627.86 = 406,293.32 : x
  2. Step 2: Convert to fraction form
    750,453.76/1,035,627.86 = 406,293.32/x
  3. Step 3: Cross multiply
    750,453.76x = 1,035,627.86 × 406,293.32
  4. Step 4: Simplify right side
    750,453.76x = 420,768,681,523.90
  5. Step 5: Solve for x
    x = 420,768,681,523.90/750,453.76
  6. Step 6: Final answer
    x = 560,685.69

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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.