Home / 669,009.63-1,003,289.54-242,456.15

Finding the Fourth Proportional to 669,009.63, 1,003,289.54 and 242,456.15

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Solution

The fourth proportional to 669,009.63, 1,003,289.54 and 242,456.15 is: 363,602.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,009.63 : 1,003,289.54 = 242,456.15 : x
  2. Step 2: Convert to fraction form
    669,009.63/1,003,289.54 = 242,456.15/x
  3. Step 3: Cross multiply
    669,009.63x = 1,003,289.54 × 242,456.15
  4. Step 4: Simplify right side
    669,009.63x = 243,253,717,301.59
  5. Step 5: Solve for x
    x = 243,253,717,301.59/669,009.63
  6. Step 6: Final answer
    x = 363,602.71

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Double scale
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1.5x scale

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.