Home / 632,056.32-872,231.76-345,573.36

Finding the Fourth Proportional to 632,056.32, 872,231.76 and 345,573.36

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Solution

The fourth proportional to 632,056.32, 872,231.76 and 345,573.36 is: 476,887.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,056.32 : 872,231.76 = 345,573.36 : x
  2. Step 2: Convert to fraction form
    632,056.32/872,231.76 = 345,573.36/x
  3. Step 3: Cross multiply
    632,056.32x = 872,231.76 × 345,573.36
  4. Step 4: Simplify right side
    632,056.32x = 301,420,060,001.91
  5. Step 5: Solve for x
    x = 301,420,060,001.91/632,056.32
  6. Step 6: Final answer
    x = 476,887.98

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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.