Home / 658,340.35-908,583.57-371,878.89

Finding the Fourth Proportional to 658,340.35, 908,583.57 and 371,878.89

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Solution

The fourth proportional to 658,340.35, 908,583.57 and 371,878.89 is: 513,234.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,340.35 : 908,583.57 = 371,878.89 : x
  2. Step 2: Convert to fraction form
    658,340.35/908,583.57 = 371,878.89/x
  3. Step 3: Cross multiply
    658,340.35x = 908,583.57 × 371,878.89
  4. Step 4: Simplify right side
    658,340.35x = 337,883,049,483.84
  5. Step 5: Solve for x
    x = 337,883,049,483.84/658,340.35
  6. Step 6: Final answer
    x = 513,234.60

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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.