Home / 936,031.79-1,404,047.64-262,212.86

Finding the Fourth Proportional to 936,031.79, 1,404,047.64 and 262,212.86

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Solution

The fourth proportional to 936,031.79, 1,404,047.64 and 262,212.86 is: 393,319.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,031.79 : 1,404,047.64 = 262,212.86 : x
  2. Step 2: Convert to fraction form
    936,031.79/1,404,047.64 = 262,212.86/x
  3. Step 3: Cross multiply
    936,031.79x = 1,404,047.64 × 262,212.86
  4. Step 4: Simplify right side
    936,031.79x = 368,159,347,260.65
  5. Step 5: Solve for x
    x = 368,159,347,260.65/936,031.79
  6. Step 6: Final answer
    x = 393,319.28

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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.