Home / 718,584.54-1,076,918.91-339,605.79

Finding the Fourth Proportional to 718,584.54, 1,076,918.91 and 339,605.79

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Solution

The fourth proportional to 718,584.54, 1,076,918.91 and 339,605.79 is: 508,955.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,584.54 : 1,076,918.91 = 339,605.79 : x
  2. Step 2: Convert to fraction form
    718,584.54/1,076,918.91 = 339,605.79/x
  3. Step 3: Cross multiply
    718,584.54x = 1,076,918.91 × 339,605.79
  4. Step 4: Simplify right side
    718,584.54x = 365,727,897,196.49
  5. Step 5: Solve for x
    x = 365,727,897,196.49/718,584.54
  6. Step 6: Final answer
    x = 508,955.98

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1.5x scale

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.