Home / 406,948.56-561,558.60-228,066

Finding the Fourth Proportional to 406,948.56, 561,558.60 and 228,066

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Solution

The fourth proportional to 406,948.56, 561,558.60 and 228,066 is: 314,714.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,948.56 : 561,558.60 = 228,066 : x
  2. Step 2: Convert to fraction form
    406,948.56/561,558.60 = 228,066/x
  3. Step 3: Cross multiply
    406,948.56x = 561,558.60 × 228,066
  4. Step 4: Simplify right side
    406,948.56x = 128,072,423,667.60
  5. Step 5: Solve for x
    x = 128,072,423,667.60/406,948.56
  6. Step 6: Final answer
    x = 314,714.04

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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.