Home / 936,829.13-1,292,824.80-507,112.79

Finding the Fourth Proportional to 936,829.13, 1,292,824.80 and 507,112.79

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Solution

The fourth proportional to 936,829.13, 1,292,824.80 and 507,112.79 is: 699,815.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,829.13 : 1,292,824.80 = 507,112.79 : x
  2. Step 2: Convert to fraction form
    936,829.13/1,292,824.80 = 507,112.79/x
  3. Step 3: Cross multiply
    936,829.13x = 1,292,824.80 × 507,112.79
  4. Step 4: Simplify right side
    936,829.13x = 655,607,984,845.07
  5. Step 5: Solve for x
    x = 655,607,984,845.07/936,829.13
  6. Step 6: Final answer
    x = 699,815.97

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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.