Home / 936,937.56-1,292,974.26-507,217.69

Finding the Fourth Proportional to 936,937.56, 1,292,974.26 and 507,217.69

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Solution

The fourth proportional to 936,937.56, 1,292,974.26 and 507,217.69 is: 699,960.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,937.56 : 1,292,974.26 = 507,217.69 : x
  2. Step 2: Convert to fraction form
    936,937.56/1,292,974.26 = 507,217.69/x
  3. Step 3: Cross multiply
    936,937.56x = 1,292,974.26 × 507,217.69
  4. Step 4: Simplify right side
    936,937.56x = 655,819,417,386.66
  5. Step 5: Solve for x
    x = 655,819,417,386.66/936,937.56
  6. Step 6: Final answer
    x = 699,960.64

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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.