Home / 853,316.54-1,177,564.86-466,127.36

Finding the Fourth Proportional to 853,316.54, 1,177,564.86 and 466,127.36

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Solution

The fourth proportional to 853,316.54, 1,177,564.86 and 466,127.36 is: 643,249.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,316.54 : 1,177,564.86 = 466,127.36 : x
  2. Step 2: Convert to fraction form
    853,316.54/1,177,564.86 = 466,127.36/x
  3. Step 3: Cross multiply
    853,316.54x = 1,177,564.86 × 466,127.36
  4. Step 4: Simplify right side
    853,316.54x = 548,895,199,420.57
  5. Step 5: Solve for x
    x = 548,895,199,420.57/853,316.54
  6. Step 6: Final answer
    x = 643,249.22

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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.