Home / 672,970.82-1,009,557.05-217,409.83

Finding the Fourth Proportional to 672,970.82, 1,009,557.05 and 217,409.83

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Solution

The fourth proportional to 672,970.82, 1,009,557.05 and 217,409.83 is: 326,147.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,970.82 : 1,009,557.05 = 217,409.83 : x
  2. Step 2: Convert to fraction form
    672,970.82/1,009,557.05 = 217,409.83/x
  3. Step 3: Cross multiply
    672,970.82x = 1,009,557.05 × 217,409.83
  4. Step 4: Simplify right side
    672,970.82x = 219,487,623,004.86
  5. Step 5: Solve for x
    x = 219,487,623,004.86/672,970.82
  6. Step 6: Final answer
    x = 326,147.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.