Home / 915,944.88-1,373,580.34-316,752.24

Finding the Fourth Proportional to 915,944.88, 1,373,580.34 and 316,752.24

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Solution

The fourth proportional to 915,944.88, 1,373,580.34 and 316,752.24 is: 475,011.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,944.88 : 1,373,580.34 = 316,752.24 : x
  2. Step 2: Convert to fraction form
    915,944.88/1,373,580.34 = 316,752.24/x
  3. Step 3: Cross multiply
    915,944.88x = 1,373,580.34 × 316,752.24
  4. Step 4: Simplify right side
    915,944.88x = 435,084,649,514.96
  5. Step 5: Solve for x
    x = 435,084,649,514.96/915,944.88
  6. Step 6: Final answer
    x = 475,011.83

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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.