Home / 751,418.95-1,036,997.90-411,901.51

Finding the Fourth Proportional to 751,418.95, 1,036,997.90 and 411,901.51

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Solution

The fourth proportional to 751,418.95, 1,036,997.90 and 411,901.51 is: 568,445.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,418.95 : 1,036,997.90 = 411,901.51 : x
  2. Step 2: Convert to fraction form
    751,418.95/1,036,997.90 = 411,901.51/x
  3. Step 3: Cross multiply
    751,418.95x = 1,036,997.90 × 411,901.51
  4. Step 4: Simplify right side
    751,418.95x = 427,141,000,876.83
  5. Step 5: Solve for x
    x = 427,141,000,876.83/751,418.95
  6. Step 6: Final answer
    x = 568,445.87

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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.