Home / 379,403.04-523,572.48-209,633.52

Finding the Fourth Proportional to 379,403.04, 523,572.48 and 209,633.52

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Solution

The fourth proportional to 379,403.04, 523,572.48 and 209,633.52 is: 289,292.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,403.04 : 523,572.48 = 209,633.52 : x
  2. Step 2: Convert to fraction form
    379,403.04/523,572.48 = 209,633.52/x
  3. Step 3: Cross multiply
    379,403.04x = 523,572.48 × 209,633.52
  4. Step 4: Simplify right side
    379,403.04x = 109,758,341,957.53
  5. Step 5: Solve for x
    x = 109,758,341,957.53/379,403.04
  6. Step 6: Final answer
    x = 289,292.20

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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.