Home / 878,536.67-1,316,301.03-479,457.77

Finding the Fourth Proportional to 878,536.67, 1,316,301.03 and 479,457.77

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Solution

The fourth proportional to 878,536.67, 1,316,301.03 and 479,457.77 is: 718,365.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,536.67 : 1,316,301.03 = 479,457.77 : x
  2. Step 2: Convert to fraction form
    878,536.67/1,316,301.03 = 479,457.77/x
  3. Step 3: Cross multiply
    878,536.67x = 1,316,301.03 × 479,457.77
  4. Step 4: Simplify right side
    878,536.67x = 631,110,749,911.00
  5. Step 5: Solve for x
    x = 631,110,749,911.00/878,536.67
  6. Step 6: Final answer
    x = 718,365.86

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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.