Home / 379,586.47-523,829.45-207,505.19

Finding the Fourth Proportional to 379,586.47, 523,829.45 and 207,505.19

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Solution

The fourth proportional to 379,586.47, 523,829.45 and 207,505.19 is: 286,357.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,586.47 : 523,829.45 = 207,505.19 : x
  2. Step 2: Convert to fraction form
    379,586.47/523,829.45 = 207,505.19/x
  3. Step 3: Cross multiply
    379,586.47x = 523,829.45 × 207,505.19
  4. Step 4: Simplify right side
    379,586.47x = 108,697,329,549.85
  5. Step 5: Solve for x
    x = 108,697,329,549.85/379,586.47
  6. Step 6: Final answer
    x = 286,357.23

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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.