Home / 986,734.26-1,478,909.48-480,536.69

Finding the Fourth Proportional to 986,734.26, 1,478,909.48 and 480,536.69

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Solution

The fourth proportional to 986,734.26, 1,478,909.48 and 480,536.69 is: 720,224.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,734.26 : 1,478,909.48 = 480,536.69 : x
  2. Step 2: Convert to fraction form
    986,734.26/1,478,909.48 = 480,536.69/x
  3. Step 3: Cross multiply
    986,734.26x = 1,478,909.48 × 480,536.69
  4. Step 4: Simplify right side
    986,734.26x = 710,670,256,531.59
  5. Step 5: Solve for x
    x = 710,670,256,531.59/986,734.26
  6. Step 6: Final answer
    x = 720,224.57

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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.