Home / 856,455.63-1,181,373.66-550,929.90

Finding the Fourth Proportional to 856,455.63, 1,181,373.66 and 550,929.90

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Solution

The fourth proportional to 856,455.63, 1,181,373.66 and 550,929.90 is: 759,939.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,455.63 : 1,181,373.66 = 550,929.90 : x
  2. Step 2: Convert to fraction form
    856,455.63/1,181,373.66 = 550,929.90/x
  3. Step 3: Cross multiply
    856,455.63x = 1,181,373.66 × 550,929.90
  4. Step 4: Simplify right side
    856,455.63x = 650,854,076,796.59
  5. Step 5: Solve for x
    x = 650,854,076,796.59/856,455.63
  6. Step 6: Final answer
    x = 759,939.05

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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.