Home / 667,056.07-920,530.76-361,124.36

Finding the Fourth Proportional to 667,056.07, 920,530.76 and 361,124.36

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Solution

The fourth proportional to 667,056.07, 920,530.76 and 361,124.36 is: 498,348.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,056.07 : 920,530.76 = 361,124.36 : x
  2. Step 2: Convert to fraction form
    667,056.07/920,530.76 = 361,124.36/x
  3. Step 3: Cross multiply
    667,056.07x = 920,530.76 × 361,124.36
  4. Step 4: Simplify right side
    667,056.07x = 332,426,081,565.31
  5. Step 5: Solve for x
    x = 332,426,081,565.31/667,056.07
  6. Step 6: Final answer
    x = 498,348.03

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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.