Home / 470,273.51-648,982.20-255,417.77

Finding the Fourth Proportional to 470,273.51, 648,982.20 and 255,417.77

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Solution

The fourth proportional to 470,273.51, 648,982.20 and 255,417.77 is: 352,479.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,273.51 : 648,982.20 = 255,417.77 : x
  2. Step 2: Convert to fraction form
    470,273.51/648,982.20 = 255,417.77/x
  3. Step 3: Cross multiply
    470,273.51x = 648,982.20 × 255,417.77
  4. Step 4: Simplify right side
    470,273.51x = 165,761,586,293.69
  5. Step 5: Solve for x
    x = 165,761,586,293.69/470,273.51
  6. Step 6: Final answer
    x = 352,479.11

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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.