Home / 658,021.50-908,026.08-382,354.80

Finding the Fourth Proportional to 658,021.50, 908,026.08 and 382,354.80

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Solution

The fourth proportional to 658,021.50, 908,026.08 and 382,354.80 is: 527,624.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,021.50 : 908,026.08 = 382,354.80 : x
  2. Step 2: Convert to fraction form
    658,021.50/908,026.08 = 382,354.80/x
  3. Step 3: Cross multiply
    658,021.50x = 908,026.08 × 382,354.80
  4. Step 4: Simplify right side
    658,021.50x = 347,188,130,213.18
  5. Step 5: Solve for x
    x = 347,188,130,213.18/658,021.50
  6. Step 6: Final answer
    x = 527,624.30

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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.