Home / 632,359.08-872,649.18-345,884.76

Finding the Fourth Proportional to 632,359.08, 872,649.18 and 345,884.76

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Solution

The fourth proportional to 632,359.08, 872,649.18 and 345,884.76 is: 477,317.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,359.08 : 872,649.18 = 345,884.76 : x
  2. Step 2: Convert to fraction form
    632,359.08/872,649.18 = 345,884.76/x
  3. Step 3: Cross multiply
    632,359.08x = 872,649.18 × 345,884.76
  4. Step 4: Simplify right side
    632,359.08x = 301,836,052,188.50
  5. Step 5: Solve for x
    x = 301,836,052,188.50/632,359.08
  6. Step 6: Final answer
    x = 477,317.50

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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.