Home / 469,971.38-648,561.33-255,111.59

Finding the Fourth Proportional to 469,971.38, 648,561.33 and 255,111.59

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Solution

The fourth proportional to 469,971.38, 648,561.33 and 255,111.59 is: 352,054.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,971.38 : 648,561.33 = 255,111.59 : x
  2. Step 2: Convert to fraction form
    469,971.38/648,561.33 = 255,111.59/x
  3. Step 3: Cross multiply
    469,971.38x = 648,561.33 × 255,111.59
  4. Step 4: Simplify right side
    469,971.38x = 165,455,513,730.22
  5. Step 5: Solve for x
    x = 165,455,513,730.22/469,971.38
  6. Step 6: Final answer
    x = 352,054.44

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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.