Home / 379,403.48-523,570.46-207,317.66

Finding the Fourth Proportional to 379,403.48, 523,570.46 and 207,317.66

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Solution

The fourth proportional to 379,403.48, 523,570.46 and 207,317.66 is: 286,094.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,403.48 : 523,570.46 = 207,317.66 : x
  2. Step 2: Convert to fraction form
    379,403.48/523,570.46 = 207,317.66/x
  3. Step 3: Cross multiply
    379,403.48x = 523,570.46 × 207,317.66
  4. Step 4: Simplify right side
    379,403.48x = 108,545,398,957.88
  5. Step 5: Solve for x
    x = 108,545,398,957.88/379,403.48
  6. Step 6: Final answer
    x = 286,094.89

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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.