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Finding the Fourth Proportional to 658,230.04, 908,355.90 and 356,424.04

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Solution

The fourth proportional to 658,230.04, 908,355.90 and 356,424.04 is: 491,864.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,230.04 : 908,355.90 = 356,424.04 : x
  2. Step 2: Convert to fraction form
    658,230.04/908,355.90 = 356,424.04/x
  3. Step 3: Cross multiply
    658,230.04x = 908,355.90 × 356,424.04
  4. Step 4: Simplify right side
    658,230.04x = 323,759,879,635.84
  5. Step 5: Solve for x
    x = 323,759,879,635.84/658,230.04
  6. Step 6: Final answer
    x = 491,864.33

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1.5x scale

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.