Home / 634,311.22-875,306.73-347,825.20

Finding the Fourth Proportional to 634,311.22, 875,306.73 and 347,825.20

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Solution

The fourth proportional to 634,311.22, 875,306.73 and 347,825.20 is: 479,975.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,311.22 : 875,306.73 = 347,825.20 : x
  2. Step 2: Convert to fraction form
    634,311.22/875,306.73 = 347,825.20/x
  3. Step 3: Cross multiply
    634,311.22x = 875,306.73 × 347,825.20
  4. Step 4: Simplify right side
    634,311.22x = 304,453,738,423.60
  5. Step 5: Solve for x
    x = 304,453,738,423.60/634,311.22
  6. Step 6: Final answer
    x = 479,975.33

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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.