Home / 718,270.34-1,076,678.33-465,710.72

Finding the Fourth Proportional to 718,270.34, 1,076,678.33 and 465,710.72

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Solution

The fourth proportional to 718,270.34, 1,076,678.33 and 465,710.72 is: 698,094.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,270.34 : 1,076,678.33 = 465,710.72 : x
  2. Step 2: Convert to fraction form
    718,270.34/1,076,678.33 = 465,710.72/x
  3. Step 3: Cross multiply
    718,270.34x = 1,076,678.33 × 465,710.72
  4. Step 4: Simplify right side
    718,270.34x = 501,420,632,560.75
  5. Step 5: Solve for x
    x = 501,420,632,560.75/718,270.34
  6. Step 6: Final answer
    x = 698,094.59

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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.