Home / 632,298.06-872,560.35-345,811.86

Finding the Fourth Proportional to 632,298.06, 872,560.35 and 345,811.86

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Solution

The fourth proportional to 632,298.06, 872,560.35 and 345,811.86 is: 477,214.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,298.06 : 872,560.35 = 345,811.86 : x
  2. Step 2: Convert to fraction form
    632,298.06/872,560.35 = 345,811.86/x
  3. Step 3: Cross multiply
    632,298.06x = 872,560.35 × 345,811.86
  4. Step 4: Simplify right side
    632,298.06x = 301,741,717,595.75
  5. Step 5: Solve for x
    x = 301,741,717,595.75/632,298.06
  6. Step 6: Final answer
    x = 477,214.37

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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.