Home / 850,939.02-1,174,279.98-463,757.40

Finding the Fourth Proportional to 850,939.02, 1,174,279.98 and 463,757.40

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Solution

The fourth proportional to 850,939.02, 1,174,279.98 and 463,757.40 is: 639,976.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,939.02 : 1,174,279.98 = 463,757.40 : x
  2. Step 2: Convert to fraction form
    850,939.02/1,174,279.98 = 463,757.40/x
  3. Step 3: Cross multiply
    850,939.02x = 1,174,279.98 × 463,757.40
  4. Step 4: Simplify right side
    850,939.02x = 544,581,032,135.94
  5. Step 5: Solve for x
    x = 544,581,032,135.94/850,939.02
  6. Step 6: Final answer
    x = 639,976.57

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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.