Home / 936,839.92-1,292,839.86-507,118.72

Finding the Fourth Proportional to 936,839.92, 1,292,839.86 and 507,118.72

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Solution

The fourth proportional to 936,839.92, 1,292,839.86 and 507,118.72 is: 699,824.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,839.92 : 1,292,839.86 = 507,118.72 : x
  2. Step 2: Convert to fraction form
    936,839.92/1,292,839.86 = 507,118.72/x
  3. Step 3: Cross multiply
    936,839.92x = 1,292,839.86 × 507,118.72
  4. Step 4: Simplify right side
    936,839.92x = 655,623,294,968.18
  5. Step 5: Solve for x
    x = 655,623,294,968.18/936,839.92
  6. Step 6: Final answer
    x = 699,824.25

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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.