Home / 470,212.22-649,091.49-317,457.31

Finding the Fourth Proportional to 470,212.22, 649,091.49 and 317,457.31

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Solution

The fourth proportional to 470,212.22, 649,091.49 and 317,457.31 is: 438,225.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,212.22 : 649,091.49 = 317,457.31 : x
  2. Step 2: Convert to fraction form
    470,212.22/649,091.49 = 317,457.31/x
  3. Step 3: Cross multiply
    470,212.22x = 649,091.49 × 317,457.31
  4. Step 4: Simplify right side
    470,212.22x = 206,058,838,359.29
  5. Step 5: Solve for x
    x = 206,058,838,359.29/470,212.22
  6. Step 6: Final answer
    x = 438,225.19

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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.