Home / 850,393.16-1,173,593.04-487,814.48

Finding the Fourth Proportional to 850,393.16, 1,173,593.04 and 487,814.48

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Solution

The fourth proportional to 850,393.16, 1,173,593.04 and 487,814.48 is: 673,212.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,393.16 : 1,173,593.04 = 487,814.48 : x
  2. Step 2: Convert to fraction form
    850,393.16/1,173,593.04 = 487,814.48/x
  3. Step 3: Cross multiply
    850,393.16x = 1,173,593.04 × 487,814.48
  4. Step 4: Simplify right side
    850,393.16x = 572,495,678,539.22
  5. Step 5: Solve for x
    x = 572,495,678,539.22/850,393.16
  6. Step 6: Final answer
    x = 673,212.94

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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.