Home / 658,212.03-908,429.58-386,429.85

Finding the Fourth Proportional to 658,212.03, 908,429.58 and 386,429.85

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Solution

The fourth proportional to 658,212.03, 908,429.58 and 386,429.85 is: 533,330.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,212.03 : 908,429.58 = 386,429.85 : x
  2. Step 2: Convert to fraction form
    658,212.03/908,429.58 = 386,429.85/x
  3. Step 3: Cross multiply
    658,212.03x = 908,429.58 × 386,429.85
  4. Step 4: Simplify right side
    658,212.03x = 351,044,306,334.96
  5. Step 5: Solve for x
    x = 351,044,306,334.96/658,212.03
  6. Step 6: Final answer
    x = 533,330.13

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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.