Home / 751,125.35-1,035,987.91-521,682.93

Finding the Fourth Proportional to 751,125.35, 1,035,987.91 and 521,682.93

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Solution

The fourth proportional to 751,125.35, 1,035,987.91 and 521,682.93 is: 719,529.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,125.35 : 1,035,987.91 = 521,682.93 : x
  2. Step 2: Convert to fraction form
    751,125.35/1,035,987.91 = 521,682.93/x
  3. Step 3: Cross multiply
    751,125.35x = 1,035,987.91 × 521,682.93
  4. Step 4: Simplify right side
    751,125.35x = 540,457,200,545.02
  5. Step 5: Solve for x
    x = 540,457,200,545.02/751,125.35
  6. Step 6: Final answer
    x = 719,529.97

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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.