Home / 671,998.02-1,007,490.06-405,695.22

Finding the Fourth Proportional to 671,998.02, 1,007,490.06 and 405,695.22

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Solution

The fourth proportional to 671,998.02, 1,007,490.06 and 405,695.22 is: 608,236.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,998.02 : 1,007,490.06 = 405,695.22 : x
  2. Step 2: Convert to fraction form
    671,998.02/1,007,490.06 = 405,695.22/x
  3. Step 3: Cross multiply
    671,998.02x = 1,007,490.06 × 405,695.22
  4. Step 4: Simplify right side
    671,998.02x = 408,733,901,539.51
  5. Step 5: Solve for x
    x = 408,733,901,539.51/671,998.02
  6. Step 6: Final answer
    x = 608,236.76

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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.